USRE28576E - Process for rapid dissolving water-soluble vinyl addition polymers using water-in-oil emulsions - Google Patents

Process for rapid dissolving water-soluble vinyl addition polymers using water-in-oil emulsions Download PDF

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USRE28576E
USRE28576E US41384873A USRE28576E US RE28576 E USRE28576 E US RE28576E US 41384873 A US41384873 A US 41384873A US RE28576 E USRE28576 E US RE28576E
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water
emulsion
oil
vinyl addition
polymer
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Priority claimed from US92031A external-priority patent/US3624019A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5227Processes for facilitating the dissolution of solid flocculants in water
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00Characterised by the use of unspecified polymers
    • C08J2300/10Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups

Abstract

Water-soluble vinyl addition polymers may be rapidly dissolved in water by first dispersing these polymers into a water-in-oil emulsion and then inverting these emulsions in water. The inversion of the emulsion releases the polymer into water as a solution.

Claims (29)

1. A METHOD OF RAPIDLY DISSOLVING WATER-SOLUBLE VINYL ADDITION POLYMERS INTO WATER, WHICH COMPRISES THE STEPS OF: (A) PREPARING A WATER-INOIL EMULSION WHICH CONTAINS DISPERSED THEREIN (A) FROM 5 TO 75 PERCENT BY WEIGHT OF FINELY-DIVIDED WATER-SOLUBLE VINYL ADDITION POLYMER, (THEREBY PROVIDING A POLYMER-CONTAINING EMULSION) SAID EMULSION HAVING AN OIL-TO-WATER RATIO BETWEEN 5:1 1:10 AND SAID OIL BEING A HYDROCARBON LIQUID, AND THEN, (B) INVERTING SAID EMULSION IN WATER WHEREBY THE WATER-SOLUBLE VINYL ADDITION POLYMER IS RELEASED INTO THE WATER AS A SOLUTION.
2. The method of claim 1 where the polymer-containing emulsion is inverted by means of agitation.
3. The method of claim 1 where the emulsion is inverted by means of a surfactant.
4. A method of rapidly dissolving water-soluble vinyl addition polymers into water, which comprises the steps of: (A) preparing a water-in-oil emulsion which contains dispersed therein (at least 2%) from 5 to 75 percent by weight of particles of a water-soluble vinyl addition polymer (ranging in) having an average size in the range of from 5 millimicrons to 5 millimeters (of a water-soluble vinyl addition polymer;) , (thereby providing a polymer-containing emulsion) said emulsion having an oil-to-water ratio between 5:1 - 1:10 and said oil being a hydrocarbon liquid ; and then (B) inverting said polymer-containing emulsion by adding it to water which contains from 0.01 to 50% by weight of a surfactant based on the weight of the polymer (of a surfactant whereby the water-soluble vinyl addition polymer is relased into the water as a solution) .
5. The method of claim 4 where the surfactant is a water-soluble surfactant.
6. The method of claim 5 where the surfactant is present in the water in an amount ranging from 1.0 to 10% by weight.
7. A method of rapidly dissolving water-soluble vinyl addition polymers into water which comprises the steps of: (A) preparing a water-in-oil emulsion which contains dispersed therein from 5 to 75% by weight of particles of a water-soluble vinyl addition polymer (ranging in) having an average size in the range of from 5 millicrons to 5 microns (of a water-soluble vinyl addition polymer) , said emulsion having an oil-to-water ratio between 5:1 - 1:10 and said oil being a hydrocarbon liquid ; and then, (B) inverting said polymer-containing emulsion by adding it to water in an amount to provide an aqueous solution of from 0.1 to 20% by weight of polymer (to water which contains) , said water containing from 1.0 to 10% (by weight of the polymer) of a water soluble surfactant based upon the weight of the polymer (whereby the water-soluble vinyl addition polymer is released into the water as a solution) .
8. A method of rapidly dissolving water-soluble vinyl addition polymers into water, which comprises the steps of: (A) preparing a water-in-oil emulsion which contains dispersed therein (a) from 5 to 75 percent by weight of finely-divided water-soluble vinyl addition polymer and a compatible water-soluble surfac-(tant, thereby providing a polymer-containing emulsion;) tant, said emulsion having an oil-to-water ratio between 5:1 and 1:10 and said oil being hydrocarbon liquid; and then, (B) inverting said emulsion in water whereby the water-soluble vinyl addition polymer is released into the water as a solution.
9. The method of claim 8 where the polymer-containing emulsion is inverted by means of agitation.
10. A method of rapidly dissolving water-soluble vinyl addition polymers into water, which comprises the steps oF: (A) preparing a water-in-oil emulsion which contains (dispersed therein) from 5 to 75 percent (at least 2%) by weight of dispersed particles of a water-soluble vinyl addition polymer (ranging in) having an average size in the range of from 5 millimicrons to 5 millimeters (of a water-soluble vinyl addition polymer) and a compatible water-soluble surfactant, (thereby providing a polymer containing emulsion) said emulsion having an oil-to-water ratio between 5:1 - 1:10 and said oil being a hydrocarbon liquid ; and then, (B) inverting said emulsion in water whereby the water-soluble vinyl addition polymer is released into the water as a solution.
11. A method of rapidly dissolving water-soluble vinyl addition polymers into water which comprises the steps of: (A) preparing a water-in-oil emulsion which contains (dispersed therein) from 5 to 75% by weight of dispersed particles of a water-soluble vinyl addition polymer (ranging in) having an average size in the range of from 5 millimicrons to 5 microns (of a water-soluble vinyl addition polymer) and a compatible water-soluble surfactant, said emulsion having an oil-to-water ratio between 5:1 - 1:10 and said oil being a hydrocarbon liquid; and then, (B) inverting said emulsion in water whereby the water-soluble vinyl addition polymer is released into the water as a solution.
12. The method of claim 1 where the water-soluble vinyl addition polymer is a polyacrylic acid.
13. The method of claim 8 where the water-soluble vinyl addition polymer is a polyacrylic acid.
14. A METHOD OF RAPIDLY DISSOLVING WATER-SOLUBLE VINYL ADDITION POLYMERS INTO WATER WHICH COMPRISES INVERTING IN WATER A WATER-IN-OIL EMULSION CONTAINING FROM 5 TO 75 PERCENT BY WEIGHT OF DISPERSED FINELY DIVIDED WATER-SOLUBLE VINYL ADDITION POLYMER, SAID EMULSION HAVING AN OIL-TO-WATER RATIO BETWEEN 5:1 -1:10 AND SAID OIL BEING A HYDROCARBON LIQUID.
15. The method of claim 14 wherein said emulsion is inverted by agitation.
16. The method of claim 14 wherein said emulsion is inverted in the presence of a surfactant.
17. The method of claim 16 wherein the surfactant is water-soluble.
18. The method of claim 14 wherein said water-soluble vinyl addition polymer is polyacrylic acid.
19. A method of rapidly dissolving water-soluble vinyl addition polymers into water which comprises inverting a water-in-oil emulsion by adding it to water, said emulsion containing dispersed therein from 5 to 75 percent by weight of particles of a water-soluble vinyl addition polymer having an average size in the range of from 5 millimicrons to 5 millimeters, said emulsion having an oil-to-water ratio between 5:1 - 1:10, said oil being a hydrocarbon liquid and said water containing from 0.1 to 50% by weight of a surfactant based on the weight of the polymer.
20. The method of claim 19 wherein the surfactant is water-soluble.
21. The method of claim 19 wherein said water contains from 1.0 to 10% by weight of a surfactant based on the weight of the polymer.
22. A method of rapidly dissolving water-soluble vinyl addition polymers into water which comprises inverting a water-in-oil emulsion by adding it to water, said emulsion containing dispersed therein from 5 to 75% by weight of particles of a water-soluble vinyl addition polymer having an average size in the range of from 5 millimicrons to 5 microns, said emulsion having an oil-to-water ratio between 5:1 - 1:10, said oil being a hydrocarbon liquid, said water containing from 1.0 to 10% of a water-soluble surfaCtant based on the weight of the polymer, and said emulsion being added in an amount to provide an aqueous solution containing from 0.1 to 20% by weight of polymer.
23. A method of rapidly dissolving water-soluble vinyl addition polymers into water which comprises inverting a water-in-oil emulsion in water, said emulsion containing from 5 to 75 percent by weight of dispersed finely divided water-soluble vinyl addition polymer and a compatible water-soluble surfactant, said emulsion having an oil-to-water ratio between 5:1 - 1:10 and said oil being a hydrocarbon liquid.
24. The method of claim 23 wherein said emulsion is inverted by agitation.
25. The method of claim 23 wherein said polymer is in the form of particles having an average size in the range of from 5 millimicrons to 5 millimeters.
26. The method of claim 23 wherein said water-soluble vinyl addition polymer is polyacrylic acid.
27. A method of rapidly dissolving water-soluble vinyl addition polymers into water which comprises inverting a water-in-oil emulsion by adding it to water, said emulsion containing from 5-75% by weight of dispersed particles of a water-soluble vinyl addition polymer having an average size in the range of from 5 millimicrons to 5 microns, said emulsion also containing a compatible water-soluble surfactant, said emulsion having an oil-to-water ratio between 5:1 - 1:10 and being added in an amount to provide an aqueous solution of from 0.1 to 20% by weight of polymer, and said oil being a hydrocarbon liquid.
28. The method of claim 1 wherein said oil is an aliphatic hydrocarbon liquid.
29. The method of claim 14 wherein said oil is an aliphatic hydrocarbon liquid.
US41384873 1970-12-15 1973-11-09 Process for rapid dissolving water-soluble vinyl addition polymers using water-in-oil emulsions Expired USRE28576E (en)

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US41384873 USRE28576E (en) 1970-12-15 1973-11-09 Process for rapid dissolving water-soluble vinyl addition polymers using water-in-oil emulsions

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US92031A US3624019A (en) 1970-12-15 1970-12-15 Process for rapidly dissolving water-soluble polymers
US17294671A 1971-08-18 1971-08-18
US27832972A 1972-08-07 1972-08-07
US41384873 USRE28576E (en) 1970-12-15 1973-11-09 Process for rapid dissolving water-soluble vinyl addition polymers using water-in-oil emulsions

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USRE28576E true USRE28576E (en) 1975-10-21
USRE28576F1 USRE28576F1 (en) 1983-12-06

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Cited By (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212784A (en) 1979-05-04 1980-07-15 Nalco Chemical Co. Polymerization of water soluble polymers in water-in-oil latex form to produce emulsions containing high polymer solids levels and low oil levels
US4248304A (en) 1979-11-16 1981-02-03 Nalco Chemical Company Large scale production of inexpensive flooding polymers for tertiary oil recovery
US4252706A (en) 1979-10-31 1981-02-24 Nalco Chemical Company Method for precisely controlling the dissolution rate of high molecular weight water-soluble vinyl polymers
US4375529A (en) 1981-08-03 1983-03-01 Nalco Chemical Company Hydrogenation of residual monomers in partially polymerized acrylamide copolymers in latex form
US4417992A (en) 1981-07-30 1983-11-29 Nalco Chemical Company Dust control
US4427821A (en) 1981-08-03 1984-01-24 Nalco Chemical Company Hydrogenation of residual monomers in partially polymerized acrylamide copolymers in latex form
US4443576A (en) 1982-03-29 1984-04-17 Nalco Chemical Company Terpolymer composition
US4499214A (en) 1983-05-03 1985-02-12 Diachem Industries, Inc. Method of rapidly dissolving polymers in water
US4508594A (en) 1984-06-28 1985-04-02 Nalco Chemical Company Polyaldehyde/polyacetal compositions
US4529794A (en) 1984-03-29 1985-07-16 Diatec Polymers Method of rapidly dissolving polymers in water
US4530943A (en) 1982-08-02 1985-07-23 Chemische Fabrik Stockhausen Gmbh Process for the rapid dissolution of water-soluble polymers
US4552908A (en) 1983-08-30 1985-11-12 Imperial Chemical Industries Plc Water-dilutable aqueous coating compositions
US4619967A (en) 1983-05-26 1986-10-28 The Dow Chemical Company Multi-modal emulsions of water-soluble polymers
US4668715A (en) 1985-03-25 1987-05-26 Nalco Chemical Company Rapid solubilization of dry polymers
US4687807A (en) 1987-02-13 1987-08-18 Nalco Chemical Company Use of amidase for reducing the acrylamide content of water-in-oil emulsions containing acrylamide polymers
US4696962A (en) 1983-07-30 1987-09-29 Sandoz Ltd. Hydrophilic cationic copolymers of acrylamide or methacrylamide
US4734103A (en) 1987-07-22 1988-03-29 Nalco Chemical Company Viscosity/drag reducing additive for high solids black liquor
US4742114A (en) 1987-02-13 1988-05-03 Nalco Chemical Company Water-in-oil emulsions of amidase
US4745154A (en) 1986-04-14 1988-05-17 Alco Chemical Corporation Water soluble polymers, their preparation and their uses
US4751259A (en) 1987-08-05 1988-06-14 Nalco Chemical Company Compositions for iron ore agglomeration
US4786679A (en) 1987-02-13 1988-11-22 Nalco Chemical Company Water-in-oil emulsions of amidase
US4786318A (en) 1986-08-14 1988-11-22 Nalco Chemical Company Thickening of gold process slurries
US4795789A (en) 1987-10-26 1989-01-03 Nalco Chemical Company Process for making acrylamido methane sulfonic acid polymers
US4800071A (en) 1988-05-03 1989-01-24 Nalco Chemical Company Filtration aids for removal of calcium solids from aqueous phosphoric acid
US4845192A (en) * 1984-03-29 1989-07-04 Diatec Polymers Method of rapidly dissolving polymer gels in water
US4915859A (en) 1988-09-16 1990-04-10 Nalco Chemical Company Micro-emulsion drawing fluids for steel and aluminum
US4921903A (en) 1988-10-11 1990-05-01 Nalco Chemical Company Process for preparing high molecular weight hydrophobic acrylamide polymers
US4952642A (en) 1987-10-26 1990-08-28 Nalco Chemical Company Process for making acrylamido methane sulfonic acid polymers
US4954547A (en) 1987-04-23 1990-09-04 Nalco Chemical Company Use of fatty acids for improvement in shear stability of water-in-oil emulsions
US5006596A (en) 1990-02-09 1991-04-09 Betz Laboratories, Inc. Self-inverting, water-in-oil emulsions
US5100561A (en) * 1990-06-06 1992-03-31 Betz Laboratories, Inc. Cationic polymers for sludge dewatering
US5124376A (en) * 1991-04-22 1992-06-23 Phillips Petroleum Company Use of phenol as rapid inverse latex inversion promoter and solution viscosity enhancer
US5132284A (en) * 1988-04-26 1992-07-21 National Starch And Chemical Investment Holding Corporation Polyamphoteric polysaccharide graft copolymers neutrally charged
US5132285A (en) * 1988-04-26 1992-07-21 National Starch And Chemical Investment Holding Corporation Method for thickening or stabilizing aqueous media with polyamphoteric polysaccharides
FR2672294A1 (en) * 1991-02-01 1992-08-07 Protex Manuf Prod Chimiq Process for the preparation of a composition based on synthetic thickeners
US5176748A (en) * 1988-07-05 1993-01-05 Bercen, Inc. Alkenyl succinic anhydride emulsion
US5183576A (en) * 1990-06-06 1993-02-02 Betz Laboratories, Inc. Cationic polymers for sludge dewatering
US5356988A (en) * 1991-07-17 1994-10-18 Cargill, Incorporated Acrylic polymer aqueous dispersion made through a micro dispersion
US5368744A (en) * 1993-08-03 1994-11-29 Betz Laboratories, Inc. Methods for treating wastewater
US5395897A (en) * 1994-01-18 1995-03-07 Nalco Chemical Company High molecular weight substituted amides from polycarboxylic acids
EP0702037A1 (en) 1994-09-16 1996-03-20 Betz Europe, Inc. Water soluble graft copolymers for deinking process water clarification
US5512636A (en) * 1994-09-06 1996-04-30 Betz Laboratories, Inc. Cationic graft polymer agglomeration agents for mineral bearing ores
US5639397A (en) * 1996-04-12 1997-06-17 Betzdearborn Inc. Method for suppressing dust emissions
US5730905A (en) * 1994-06-21 1998-03-24 Betzdearborn Inc. Method of resolving oil and water emulsions
US5800719A (en) * 1997-05-14 1998-09-01 Betzdearborn Inc. Method for dewatering drinking sludge using a water soluble block copolymer
US5837215A (en) * 1995-07-26 1998-11-17 Nalco Chemical Company Method of removing insoluble materials from bayer process with fatty acid and fatty acid free polymer flocculants
US6210585B1 (en) 1995-07-26 2001-04-03 Nalco Chemical Company Fatty acid free latex polymer flocculants
US20040192840A1 (en) * 2002-11-04 2004-09-30 Ge Betz, Inc. Modified polymeric flocculants with improved performance characteristics
US20050143506A1 (en) * 2003-12-15 2005-06-30 Harrington John C. Inversion of inverse emulsion polymers
US20060127351A1 (en) * 2004-12-14 2006-06-15 Hercules Incorporated Process for preparing high molar mass polymers
US20060185806A1 (en) * 2004-12-14 2006-08-24 Harrington John C Retention and drainage aids
US7250448B2 (en) 2001-12-07 2007-07-31 Hercules Incorporated Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
US7396874B2 (en) 2002-12-06 2008-07-08 Hercules Incorporated Cationic or amphoteric copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
WO2012065283A1 (en) 2010-11-18 2012-05-24 General Electric Company Methods for improving membrane bioreactor systems
US8852400B2 (en) 2010-11-02 2014-10-07 Ecolab Usa Inc. Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer
WO2017065740A1 (en) 2015-10-12 2017-04-20 Solenis Technologies, L.P. Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom
US9701791B2 (en) 2015-09-08 2017-07-11 Jacam Chemical Company 2013, Llc Poly alkanolamine emulsion breakers
US9702086B2 (en) 2014-10-06 2017-07-11 Ecolab Usa Inc. Method of increasing paper strength using an amine containing polymer composition
US9701830B1 (en) 2015-12-17 2017-07-11 Jacam Chemical Company 2013, Llc Emulsified polyol acrylate polymeric emulsion breakers
US9920482B2 (en) 2014-10-06 2018-03-20 Ecolab Usa Inc. Method of increasing paper strength
US9951475B2 (en) 2014-01-16 2018-04-24 Ecolab Usa Inc. Wet end chemicals for dry end strength in paper
US10145067B2 (en) 2007-09-12 2018-12-04 Ecolab Usa Inc. Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking
US10648133B2 (en) 2016-05-13 2020-05-12 Ecolab Usa Inc. Tissue dust reduction
US10889939B2 (en) 2015-12-25 2021-01-12 Ecolab Usa Inc. Sizing method for making paper and paper prepared thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751368A (en) * 1952-06-14 1956-06-19 American Cyanamid Co Solubilized polyacrylates
US3282874A (en) * 1963-12-30 1966-11-01 Dow Chemical Co Method for dissolving watersoluble polymers
US3350338A (en) * 1964-09-08 1967-10-31 Dow Chemical Co Acrylic amide polymers having improved water dispersibility
US3402137A (en) * 1966-02-01 1968-09-17 Union Oil Co Method of preparing aqueous polymer solutions
US3412060A (en) * 1965-12-13 1968-11-19 Union Oil Co Method of preparing aqueous solutions of acrylamide polymers with dimethyl sulfoxide
US3624019A (en) * 1970-12-15 1971-11-30 Nalco Chemical Co Process for rapidly dissolving water-soluble polymers
US3624091A (en) * 1968-11-16 1971-11-30 Bayer Ag Oxime-o-carbonic acid esters
US3852234A (en) * 1972-02-28 1974-12-03 Nalco Chemical Co Process and apparatus for dissolving water soluble polymers and gums in water involving inversion of water-in-oil emulsions

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2751368A (en) * 1952-06-14 1956-06-19 American Cyanamid Co Solubilized polyacrylates
US3282874A (en) * 1963-12-30 1966-11-01 Dow Chemical Co Method for dissolving watersoluble polymers
US3350338A (en) * 1964-09-08 1967-10-31 Dow Chemical Co Acrylic amide polymers having improved water dispersibility
US3412060A (en) * 1965-12-13 1968-11-19 Union Oil Co Method of preparing aqueous solutions of acrylamide polymers with dimethyl sulfoxide
US3402137A (en) * 1966-02-01 1968-09-17 Union Oil Co Method of preparing aqueous polymer solutions
US3624091A (en) * 1968-11-16 1971-11-30 Bayer Ag Oxime-o-carbonic acid esters
US3624019A (en) * 1970-12-15 1971-11-30 Nalco Chemical Co Process for rapidly dissolving water-soluble polymers
US3852234A (en) * 1972-02-28 1974-12-03 Nalco Chemical Co Process and apparatus for dissolving water soluble polymers and gums in water involving inversion of water-in-oil emulsions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Davidson et al., Water Soluble Resins, 1968, pp. 176-177 & 197. *

Cited By (73)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212784A (en) 1979-05-04 1980-07-15 Nalco Chemical Co. Polymerization of water soluble polymers in water-in-oil latex form to produce emulsions containing high polymer solids levels and low oil levels
US4252706A (en) 1979-10-31 1981-02-24 Nalco Chemical Company Method for precisely controlling the dissolution rate of high molecular weight water-soluble vinyl polymers
US4248304A (en) 1979-11-16 1981-02-03 Nalco Chemical Company Large scale production of inexpensive flooding polymers for tertiary oil recovery
US4417992A (en) 1981-07-30 1983-11-29 Nalco Chemical Company Dust control
US4375529A (en) 1981-08-03 1983-03-01 Nalco Chemical Company Hydrogenation of residual monomers in partially polymerized acrylamide copolymers in latex form
US4427821A (en) 1981-08-03 1984-01-24 Nalco Chemical Company Hydrogenation of residual monomers in partially polymerized acrylamide copolymers in latex form
US4443576A (en) 1982-03-29 1984-04-17 Nalco Chemical Company Terpolymer composition
US4530943A (en) 1982-08-02 1985-07-23 Chemische Fabrik Stockhausen Gmbh Process for the rapid dissolution of water-soluble polymers
US4499214A (en) 1983-05-03 1985-02-12 Diachem Industries, Inc. Method of rapidly dissolving polymers in water
US4619967A (en) 1983-05-26 1986-10-28 The Dow Chemical Company Multi-modal emulsions of water-soluble polymers
US4696962A (en) 1983-07-30 1987-09-29 Sandoz Ltd. Hydrophilic cationic copolymers of acrylamide or methacrylamide
US4552908A (en) 1983-08-30 1985-11-12 Imperial Chemical Industries Plc Water-dilutable aqueous coating compositions
US4529794A (en) 1984-03-29 1985-07-16 Diatec Polymers Method of rapidly dissolving polymers in water
US4845192A (en) * 1984-03-29 1989-07-04 Diatec Polymers Method of rapidly dissolving polymer gels in water
US4508594A (en) 1984-06-28 1985-04-02 Nalco Chemical Company Polyaldehyde/polyacetal compositions
US4668715A (en) 1985-03-25 1987-05-26 Nalco Chemical Company Rapid solubilization of dry polymers
US4745154A (en) 1986-04-14 1988-05-17 Alco Chemical Corporation Water soluble polymers, their preparation and their uses
US4786318A (en) 1986-08-14 1988-11-22 Nalco Chemical Company Thickening of gold process slurries
US4742114A (en) 1987-02-13 1988-05-03 Nalco Chemical Company Water-in-oil emulsions of amidase
US4786679A (en) 1987-02-13 1988-11-22 Nalco Chemical Company Water-in-oil emulsions of amidase
US4687807A (en) 1987-02-13 1987-08-18 Nalco Chemical Company Use of amidase for reducing the acrylamide content of water-in-oil emulsions containing acrylamide polymers
US4954547A (en) 1987-04-23 1990-09-04 Nalco Chemical Company Use of fatty acids for improvement in shear stability of water-in-oil emulsions
US4734103A (en) 1987-07-22 1988-03-29 Nalco Chemical Company Viscosity/drag reducing additive for high solids black liquor
US4751259A (en) 1987-08-05 1988-06-14 Nalco Chemical Company Compositions for iron ore agglomeration
US4952642A (en) 1987-10-26 1990-08-28 Nalco Chemical Company Process for making acrylamido methane sulfonic acid polymers
US4795789A (en) 1987-10-26 1989-01-03 Nalco Chemical Company Process for making acrylamido methane sulfonic acid polymers
US5132285A (en) * 1988-04-26 1992-07-21 National Starch And Chemical Investment Holding Corporation Method for thickening or stabilizing aqueous media with polyamphoteric polysaccharides
US5132284A (en) * 1988-04-26 1992-07-21 National Starch And Chemical Investment Holding Corporation Polyamphoteric polysaccharide graft copolymers neutrally charged
US4800071A (en) 1988-05-03 1989-01-24 Nalco Chemical Company Filtration aids for removal of calcium solids from aqueous phosphoric acid
US5176748A (en) * 1988-07-05 1993-01-05 Bercen, Inc. Alkenyl succinic anhydride emulsion
US4915859A (en) 1988-09-16 1990-04-10 Nalco Chemical Company Micro-emulsion drawing fluids for steel and aluminum
US4921903A (en) 1988-10-11 1990-05-01 Nalco Chemical Company Process for preparing high molecular weight hydrophobic acrylamide polymers
US5006596A (en) 1990-02-09 1991-04-09 Betz Laboratories, Inc. Self-inverting, water-in-oil emulsions
US5183576A (en) * 1990-06-06 1993-02-02 Betz Laboratories, Inc. Cationic polymers for sludge dewatering
US5100561A (en) * 1990-06-06 1992-03-31 Betz Laboratories, Inc. Cationic polymers for sludge dewatering
FR2672294A1 (en) * 1991-02-01 1992-08-07 Protex Manuf Prod Chimiq Process for the preparation of a composition based on synthetic thickeners
US5124376A (en) * 1991-04-22 1992-06-23 Phillips Petroleum Company Use of phenol as rapid inverse latex inversion promoter and solution viscosity enhancer
US5356988A (en) * 1991-07-17 1994-10-18 Cargill, Incorporated Acrylic polymer aqueous dispersion made through a micro dispersion
US5380771A (en) * 1991-07-17 1995-01-10 Cargill Incorporated Aqueous dispersion of amine salts of an acrylic polymer
US5368744A (en) * 1993-08-03 1994-11-29 Betz Laboratories, Inc. Methods for treating wastewater
US5395897A (en) * 1994-01-18 1995-03-07 Nalco Chemical Company High molecular weight substituted amides from polycarboxylic acids
US5730905A (en) * 1994-06-21 1998-03-24 Betzdearborn Inc. Method of resolving oil and water emulsions
US5668219A (en) * 1994-09-06 1997-09-16 Betzdearborn Inc. Cationic block polymer agglomeration agents for mineral bearing ores
US5512636A (en) * 1994-09-06 1996-04-30 Betz Laboratories, Inc. Cationic graft polymer agglomeration agents for mineral bearing ores
EP0702037A1 (en) 1994-09-16 1996-03-20 Betz Europe, Inc. Water soluble graft copolymers for deinking process water clarification
US5837215A (en) * 1995-07-26 1998-11-17 Nalco Chemical Company Method of removing insoluble materials from bayer process with fatty acid and fatty acid free polymer flocculants
US6210585B1 (en) 1995-07-26 2001-04-03 Nalco Chemical Company Fatty acid free latex polymer flocculants
US5639397A (en) * 1996-04-12 1997-06-17 Betzdearborn Inc. Method for suppressing dust emissions
US5800719A (en) * 1997-05-14 1998-09-01 Betzdearborn Inc. Method for dewatering drinking sludge using a water soluble block copolymer
US7250448B2 (en) 2001-12-07 2007-07-31 Hercules Incorporated Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
US20040192840A1 (en) * 2002-11-04 2004-09-30 Ge Betz, Inc. Modified polymeric flocculants with improved performance characteristics
US6887935B2 (en) 2002-11-04 2005-05-03 Ge Betz, Inc. Modified polymeric flocculants with improved performance characteristics
US7396874B2 (en) 2002-12-06 2008-07-08 Hercules Incorporated Cationic or amphoteric copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions
US20050143506A1 (en) * 2003-12-15 2005-06-30 Harrington John C. Inversion of inverse emulsion polymers
US7429625B2 (en) 2003-12-15 2008-09-30 Hercules Incorporated Inversion of inverse emulsion polymers
US20060127351A1 (en) * 2004-12-14 2006-06-15 Hercules Incorporated Process for preparing high molar mass polymers
US20060185806A1 (en) * 2004-12-14 2006-08-24 Harrington John C Retention and drainage aids
US7615135B2 (en) 2004-12-14 2009-11-10 Hercules Incorporated Retention and drainage aids
US10145067B2 (en) 2007-09-12 2018-12-04 Ecolab Usa Inc. Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking
US8852400B2 (en) 2010-11-02 2014-10-07 Ecolab Usa Inc. Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer
US9624623B2 (en) 2010-11-02 2017-04-18 Ecolab Usa Inc. Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer
US10227731B2 (en) 2010-11-02 2019-03-12 Ecolab Usa Inc. Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer of copolymer
WO2012065283A1 (en) 2010-11-18 2012-05-24 General Electric Company Methods for improving membrane bioreactor systems
US9951475B2 (en) 2014-01-16 2018-04-24 Ecolab Usa Inc. Wet end chemicals for dry end strength in paper
US9840810B2 (en) 2014-10-06 2017-12-12 Ecolab Usa Inc. Method of increasing paper bulk strength by using a diallylamine acrylamide copolymer in a size press formulation containing starch
US9920482B2 (en) 2014-10-06 2018-03-20 Ecolab Usa Inc. Method of increasing paper strength
US9702086B2 (en) 2014-10-06 2017-07-11 Ecolab Usa Inc. Method of increasing paper strength using an amine containing polymer composition
US9701791B2 (en) 2015-09-08 2017-07-11 Jacam Chemical Company 2013, Llc Poly alkanolamine emulsion breakers
US9873982B2 (en) 2015-10-12 2018-01-23 Solenis Technologies, L.P. Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom
WO2017065740A1 (en) 2015-10-12 2017-04-20 Solenis Technologies, L.P. Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom
US9701830B1 (en) 2015-12-17 2017-07-11 Jacam Chemical Company 2013, Llc Emulsified polyol acrylate polymeric emulsion breakers
US10889939B2 (en) 2015-12-25 2021-01-12 Ecolab Usa Inc. Sizing method for making paper and paper prepared thereof
US10648133B2 (en) 2016-05-13 2020-05-12 Ecolab Usa Inc. Tissue dust reduction

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