WO1997033040A1 - Activation of swelling clays and processes of using the activated clays - Google Patents
Activation of swelling clays and processes of using the activated clays Download PDFInfo
- Publication number
- WO1997033040A1 WO1997033040A1 PCT/GB1997/000648 GB9700648W WO9733040A1 WO 1997033040 A1 WO1997033040 A1 WO 1997033040A1 GB 9700648 W GB9700648 W GB 9700648W WO 9733040 A1 WO9733040 A1 WO 9733040A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bentonite
- carboxylic acids
- sequestering agent
- activated
- sodium
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/18—Compounding ingredients for liquefying the batches
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/14—Carboxylic acids; Derivatives thereof
- D21H17/15—Polycarboxylic acids, e.g. maleic acid
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S106/00—Compositions: coating or plastic
- Y10S106/04—Bentonite
Abstract
Description
Claims
Priority Applications (15)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU21028/97A AU721609B2 (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and processes of using the activated clays |
JP9531594A JP2000506113A (en) | 1996-03-08 | 1997-03-10 | Activation of swellable clay and method using the activated clay |
DK97906288T DK0885327T3 (en) | 1996-03-08 | 1997-03-10 | Activation of expanding clay and methods of using the activated clay |
AT97906288T ATE211516T1 (en) | 1996-03-08 | 1997-03-10 | ACTIVATION OF EXPANDED CLAY AND METHOD OF USING SUCH CLAY |
NZ331471A NZ331471A (en) | 1996-03-08 | 1997-03-10 | Alkaline earth bentonite activated by sodium citrate or other organic sequestering agents and processes of using the activated clays using the activated clays |
CA002247205A CA2247205C (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and processes of using the activated clays |
EP97906288A EP0885327B1 (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and processes of using the activated clays |
DE69709854T DE69709854T2 (en) | 1996-03-08 | 1997-03-10 | ACTIVATION OF FLAY TONE AND METHOD FOR USING THIS TONE |
PL97329369A PL190372B1 (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and method of using so activated clays |
RU98118376A RU2144592C1 (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and processes of utilization of activated clays |
SK1226-98A SK122698A3 (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and processes of using the activated clays |
US09/142,220 US6024790A (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays |
HU9902143A HU223695B1 (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and processes of using the activated clays |
BR9707830A BR9707830A (en) | 1996-03-08 | 1997-03-10 | Dry clay composition and processes for activating an alkaline earth metal bentonite and for papermaking |
NO984108A NO984108L (en) | 1996-03-08 | 1998-09-07 | Activation of swelling clay and methods for using the activated clay |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9604927.5 | 1996-03-08 | ||
GBGB9604927.5A GB9604927D0 (en) | 1996-03-08 | 1996-03-08 | Activation of swelling clays and processes of using the activated clays |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997033040A1 true WO1997033040A1 (en) | 1997-09-12 |
Family
ID=10790066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1997/000648 WO1997033040A1 (en) | 1996-03-08 | 1997-03-10 | Activation of swelling clays and processes of using the activated clays |
Country Status (22)
Country | Link |
---|---|
US (1) | US6024790A (en) |
EP (1) | EP0885327B1 (en) |
JP (1) | JP2000506113A (en) |
KR (1) | KR100489647B1 (en) |
CN (1) | CN1088776C (en) |
AT (1) | ATE211516T1 (en) |
AU (1) | AU721609B2 (en) |
BR (1) | BR9707830A (en) |
CA (1) | CA2247205C (en) |
CZ (1) | CZ293232B6 (en) |
DE (1) | DE69709854T2 (en) |
DK (1) | DK0885327T3 (en) |
ES (1) | ES2169353T3 (en) |
GB (1) | GB9604927D0 (en) |
HU (1) | HU223695B1 (en) |
NO (1) | NO984108L (en) |
NZ (1) | NZ331471A (en) |
PL (1) | PL190372B1 (en) |
PT (1) | PT885327E (en) |
RU (1) | RU2144592C1 (en) |
SK (1) | SK122698A3 (en) |
WO (1) | WO1997033040A1 (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6391156B1 (en) | 1999-11-08 | 2002-05-21 | Ab Cdm Vastra Frolunda | Manufacture of paper and paperboard |
US6524439B2 (en) | 2000-10-16 | 2003-02-25 | Ciba Specialty Chemicals Water Treatments Ltd. | Manufacture of paper and paperboard |
WO2005099782A1 (en) * | 2004-04-13 | 2005-10-27 | Eastman Kodak Company | Composition comprising intercalated metal-ion sequestrants |
US7303654B2 (en) | 2002-11-19 | 2007-12-04 | Akzo Nobel N.V. | Cellulosic product and process for its production |
DE102008060302A1 (en) | 2008-12-03 | 2010-06-10 | Süd-Chemie AG | Use of a composition based on phyllosilicate for the production of paper, and phyllosilicate composition and process for their preparation |
WO2013127731A1 (en) | 2012-03-01 | 2013-09-06 | Basf Se | Process for the manufacture of paper and paperboard |
WO2014108844A1 (en) | 2013-01-11 | 2014-07-17 | Basf Se | Process for the manufacture of paper and paperboard |
WO2015155110A1 (en) * | 2014-04-07 | 2015-10-15 | Lamberti Spa | Process for making tiles |
US9404223B2 (en) | 2012-02-01 | 2016-08-02 | Basf Se | Process for the manufacture of paper and paperboard |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030150575A1 (en) * | 1998-06-04 | 2003-08-14 | Snf Sa | Paper and paperboard production process and corresponding novel retention and drainage aids, and papers and paperboards thus obtained |
KR100408627B1 (en) * | 2000-07-12 | 2003-12-06 | 주식회사 자경케미칼 | Pollution control material for paper |
US20020144630A1 (en) | 2001-01-08 | 2002-10-10 | Elementis Specialties, Inc. | Viscosity stable smectite clay slurries |
MXPA01013126A (en) * | 2001-01-08 | 2004-02-12 | Elementis Specialities Inc | Viscosity stable smectite clay slurries and mixtures of smectite clay and one or more phosphonates useful to make such slurries. |
WO2003106370A1 (en) * | 2002-06-17 | 2003-12-24 | American Clay Enterprises, Llc | Clay plaster |
US7297668B2 (en) * | 2003-04-03 | 2007-11-20 | Colgate-Palmolive Company | Composition |
US20050109239A1 (en) * | 2003-11-21 | 2005-05-26 | Elementis Specialties, Inc. | Paint formulations containing hectorite compositions |
US7989402B2 (en) * | 2006-09-14 | 2011-08-02 | Elementis Specialties, Inc. | Functionalized clay compositions for aqueous based drilling fluids |
EP2522458B1 (en) | 2011-05-13 | 2016-07-06 | ESSILOR INTERNATIONAL (Compagnie Générale d'Optique) | Process for determining position parameters of a manufactured surface relative to a reference surface |
DE102012005454B4 (en) | 2012-03-20 | 2020-06-18 | Outotec Oyj | Method and device for producing hardened granules from iron-containing particles |
DE102012011240A1 (en) | 2012-06-06 | 2013-12-12 | Outotec Oyj | Process for producing hardened granules from iron-containing particles |
RU2595125C1 (en) * | 2015-08-07 | 2016-08-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Грозненский государственный нефтяной технический университет имени академика М.Д. Миллионщикова" | Method of producing activated bentonite powder |
KR102442975B1 (en) * | 2020-04-17 | 2022-09-15 | 한국원자력연구원 | Float sorting device for selective separation of non-metallic minerals |
CN113402904A (en) * | 2021-06-08 | 2021-09-17 | 浙江丰虹新材料股份有限公司 | Preparation method of low-viscosity composite clay thixotropic agent |
WO2024022984A1 (en) | 2022-07-25 | 2024-02-01 | Byk-Chemie Gmbh | Lithium rich layered silicate and process for producing |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309222A (en) * | 1980-10-09 | 1982-01-05 | Pfizer Inc. | Kaolin clay slurries of reduced viscosity |
JPS61118499A (en) * | 1984-11-14 | 1986-06-05 | 株式会社 ネオス | Cleaning agent for spray cleaning |
EP0223223A1 (en) * | 1985-11-21 | 1987-05-27 | BASF Aktiengesellschaft | Process for the production of paper and cardboard |
EP0235893A1 (en) * | 1986-01-29 | 1987-09-09 | Ciba Specialty Chemicals Water Treatments Limited | Production of paper and paperboard |
JPS63230550A (en) * | 1987-03-18 | 1988-09-27 | 野上 昭治 | High purity purification for clay mineral |
US4913775A (en) * | 1986-01-29 | 1990-04-03 | Allied Colloids Ltd. | Production of paper and paper board |
EP0485124A1 (en) * | 1990-11-05 | 1992-05-13 | Ciba Specialty Chemicals Water Treatments Limited | Paper making process |
US5266538A (en) * | 1990-12-21 | 1993-11-30 | Southern Clay Products, Inc. | Method for preparing high solids bentonite slurries |
US5391228A (en) * | 1990-12-21 | 1995-02-21 | Southern Clay Products, Inc. | Method for preparing high solids bentonite slurries |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1497280A (en) * | 1974-12-10 | 1978-01-05 | Ass Portland Cement | Agglomerating suspended particulate material in aqueous systems |
DE3065576D1 (en) * | 1979-03-28 | 1983-12-22 | Allied Colloids Ltd | Production of paper and paper board |
US4624982A (en) * | 1985-04-05 | 1986-11-25 | American Colloid Company | Method of temporarily inhibiting the swellability of water swellable clays and compositions |
US4613542A (en) * | 1985-04-05 | 1986-09-23 | American Colloid Company | Method of impregnating a water-penetrable article with a swell-inhibited water swellable clay slurry |
SE8701252D0 (en) * | 1987-03-03 | 1987-03-25 | Eka Nobel Ab | SET FOR PAPER MAKING |
GB8807445D0 (en) * | 1988-03-28 | 1988-05-05 | Allied Colloids Ltd | Pulp dewatering process |
GB8828899D0 (en) * | 1988-12-10 | 1989-01-18 | Laporte Industries Ltd | Paper & paperboard |
US5006574A (en) * | 1989-02-10 | 1991-04-09 | Engelhard Corporation | Cationcally dispersed slurries of calcined kaolin clay |
US5512135A (en) * | 1991-07-02 | 1996-04-30 | Eka Nobel Ab | Process for the production of paper |
US5223463A (en) * | 1991-08-01 | 1993-06-29 | Ecc International Inc. | Process for producing a kaolin clay product |
US5537934A (en) * | 1994-10-19 | 1996-07-23 | Engelhard Corporation | Cationically stabilized slurries of calcined kaolin clay |
-
1996
- 1996-03-08 GB GBGB9604927.5A patent/GB9604927D0/en active Pending
-
1997
- 1997-03-10 BR BR9707830A patent/BR9707830A/en not_active IP Right Cessation
- 1997-03-10 CA CA002247205A patent/CA2247205C/en not_active Expired - Fee Related
- 1997-03-10 AT AT97906288T patent/ATE211516T1/en not_active IP Right Cessation
- 1997-03-10 CN CN97192857A patent/CN1088776C/en not_active Expired - Fee Related
- 1997-03-10 HU HU9902143A patent/HU223695B1/en not_active IP Right Cessation
- 1997-03-10 EP EP97906288A patent/EP0885327B1/en not_active Expired - Lifetime
- 1997-03-10 RU RU98118376A patent/RU2144592C1/en not_active IP Right Cessation
- 1997-03-10 JP JP9531594A patent/JP2000506113A/en not_active Ceased
- 1997-03-10 PT PT97906288T patent/PT885327E/en unknown
- 1997-03-10 SK SK1226-98A patent/SK122698A3/en unknown
- 1997-03-10 US US09/142,220 patent/US6024790A/en not_active Expired - Fee Related
- 1997-03-10 CZ CZ19982857A patent/CZ293232B6/en not_active IP Right Cessation
- 1997-03-10 AU AU21028/97A patent/AU721609B2/en not_active Ceased
- 1997-03-10 WO PCT/GB1997/000648 patent/WO1997033040A1/en active IP Right Grant
- 1997-03-10 ES ES97906288T patent/ES2169353T3/en not_active Expired - Lifetime
- 1997-03-10 DK DK97906288T patent/DK0885327T3/en active
- 1997-03-10 NZ NZ331471A patent/NZ331471A/en unknown
- 1997-03-10 KR KR10-1998-0707065A patent/KR100489647B1/en not_active IP Right Cessation
- 1997-03-10 DE DE69709854T patent/DE69709854T2/en not_active Expired - Fee Related
- 1997-03-10 PL PL97329369A patent/PL190372B1/en not_active IP Right Cessation
-
1998
- 1998-09-07 NO NO984108A patent/NO984108L/en unknown
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4309222A (en) * | 1980-10-09 | 1982-01-05 | Pfizer Inc. | Kaolin clay slurries of reduced viscosity |
JPS61118499A (en) * | 1984-11-14 | 1986-06-05 | 株式会社 ネオス | Cleaning agent for spray cleaning |
EP0223223A1 (en) * | 1985-11-21 | 1987-05-27 | BASF Aktiengesellschaft | Process for the production of paper and cardboard |
AU6397786A (en) * | 1985-11-21 | 1987-05-28 | Basf Aktiengesellschaft | Production of paper and cardboard |
EP0235893A1 (en) * | 1986-01-29 | 1987-09-09 | Ciba Specialty Chemicals Water Treatments Limited | Production of paper and paperboard |
US4753710A (en) * | 1986-01-29 | 1988-06-28 | Allied Colloids Limited | Production of paper and paperboard |
US4913775A (en) * | 1986-01-29 | 1990-04-03 | Allied Colloids Ltd. | Production of paper and paper board |
JPS63230550A (en) * | 1987-03-18 | 1988-09-27 | 野上 昭治 | High purity purification for clay mineral |
EP0485124A1 (en) * | 1990-11-05 | 1992-05-13 | Ciba Specialty Chemicals Water Treatments Limited | Paper making process |
US5266538A (en) * | 1990-12-21 | 1993-11-30 | Southern Clay Products, Inc. | Method for preparing high solids bentonite slurries |
US5391228A (en) * | 1990-12-21 | 1995-02-21 | Southern Clay Products, Inc. | Method for preparing high solids bentonite slurries |
Non-Patent Citations (2)
Title |
---|
DATABASE WPI Section Ch Week 8629, Derwent World Patents Index; Class A97, AN 86-186120, XP002031288 * |
DATABASE WPI Section Ch Week 8844, Derwent World Patents Index; Class J01, AN 88-312148, XP002031287 * |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6391156B1 (en) | 1999-11-08 | 2002-05-21 | Ab Cdm Vastra Frolunda | Manufacture of paper and paperboard |
US6524439B2 (en) | 2000-10-16 | 2003-02-25 | Ciba Specialty Chemicals Water Treatments Ltd. | Manufacture of paper and paperboard |
US7303654B2 (en) | 2002-11-19 | 2007-12-04 | Akzo Nobel N.V. | Cellulosic product and process for its production |
WO2005099782A1 (en) * | 2004-04-13 | 2005-10-27 | Eastman Kodak Company | Composition comprising intercalated metal-ion sequestrants |
WO2010063475A3 (en) * | 2008-12-03 | 2010-07-29 | Süd-Chemie AG | Use of a phyllosilicate-based composition for producing paper, phyllosilicate composition and method for producing the same |
WO2010063475A2 (en) * | 2008-12-03 | 2010-06-10 | Süd-Chemie AG | Use of a phyllosilicate-based composition for producing paper, phyllosilicate composition and method for producing the same |
DE102008060302A1 (en) | 2008-12-03 | 2010-06-10 | Süd-Chemie AG | Use of a composition based on phyllosilicate for the production of paper, and phyllosilicate composition and process for their preparation |
US9404223B2 (en) | 2012-02-01 | 2016-08-02 | Basf Se | Process for the manufacture of paper and paperboard |
WO2013127731A1 (en) | 2012-03-01 | 2013-09-06 | Basf Se | Process for the manufacture of paper and paperboard |
US9631319B2 (en) | 2012-03-01 | 2017-04-25 | Basf Se | Process for the manufacture of paper and paperboard |
WO2014108844A1 (en) | 2013-01-11 | 2014-07-17 | Basf Se | Process for the manufacture of paper and paperboard |
US10113270B2 (en) | 2013-01-11 | 2018-10-30 | Basf Se | Process for the manufacture of paper and paperboard |
WO2015155110A1 (en) * | 2014-04-07 | 2015-10-15 | Lamberti Spa | Process for making tiles |
Also Published As
Publication number | Publication date |
---|---|
CN1213420A (en) | 1999-04-07 |
CZ285798A3 (en) | 1999-03-17 |
AU2102897A (en) | 1997-09-22 |
RU2144592C1 (en) | 2000-01-20 |
KR100489647B1 (en) | 2005-08-31 |
AU721609B2 (en) | 2000-07-13 |
HU223695B1 (en) | 2004-12-28 |
DE69709854D1 (en) | 2002-02-28 |
JP2000506113A (en) | 2000-05-23 |
DE69709854T2 (en) | 2002-08-29 |
NO984108D0 (en) | 1998-09-07 |
EP0885327B1 (en) | 2002-01-02 |
KR19990087616A (en) | 1999-12-27 |
NO984108L (en) | 1998-09-07 |
US6024790A (en) | 2000-02-15 |
CA2247205A1 (en) | 1997-09-12 |
ES2169353T3 (en) | 2002-07-01 |
PL329369A1 (en) | 1999-03-29 |
PL190372B1 (en) | 2005-12-30 |
PT885327E (en) | 2002-05-31 |
ATE211516T1 (en) | 2002-01-15 |
BR9707830A (en) | 1999-07-27 |
HUP9902143A3 (en) | 2003-12-29 |
HUP9902143A2 (en) | 2000-02-28 |
CZ293232B6 (en) | 2004-03-17 |
CN1088776C (en) | 2002-08-07 |
NZ331471A (en) | 2000-01-28 |
CA2247205C (en) | 2005-06-28 |
DK0885327T3 (en) | 2002-04-22 |
EP0885327A1 (en) | 1998-12-23 |
SK122698A3 (en) | 1999-06-11 |
GB9604927D0 (en) | 1996-05-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2247205C (en) | Activation of swelling clays and processes of using the activated clays | |
CA2329028C (en) | A process for the production of paper | |
US6045657A (en) | Clay compositions and their use in paper making | |
KR100326204B1 (en) | How to make paper | |
PL190930B1 (en) | Paper making process and mixtuire of polymers | |
NZ240469A (en) | Use of an aqueous dispersion of bentonite and an electrolyte (which prevents swelling of the bentonite) in making paper | |
US5902455A (en) | Process for improving retention in a process for the manufacture of paper, board and the like, and retaining agent for the application of this process | |
US5695609A (en) | Process for producing paper | |
US5989714A (en) | Synthetic mineral microparticles | |
EP0700473B2 (en) | Process for producing paper | |
US5234548A (en) | Production of paper and paperboard | |
MXPA98007267A (en) | Activation of inflatable clays and processes for using active clays | |
CA2247163C (en) | Clay compositions and their use in paper making | |
JPH039238B2 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 97192857.6 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH HU IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK TJ TM TR TT UA UG US UZ VN YU AM AZ BY KG KZ MD RU TJ TM |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH KE LS MW SD SZ UG AT BE CH DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1997906288 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2247205 Country of ref document: CA Ref document number: 2247205 Country of ref document: CA Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 331471 Country of ref document: NZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 122698 Country of ref document: SK |
|
WWE | Wipo information: entry into national phase |
Ref document number: PA/a/1998/007267 Country of ref document: MX Ref document number: PV1998-2857 Country of ref document: CZ |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1019980707065 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 09142220 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1997906288 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: PV1998-2857 Country of ref document: CZ |
|
WWP | Wipo information: published in national office |
Ref document number: 1019980707065 Country of ref document: KR |
|
WWG | Wipo information: grant in national office |
Ref document number: 1997906288 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: PV1998-2857 Country of ref document: CZ |
|
WWG | Wipo information: grant in national office |
Ref document number: 1019980707065 Country of ref document: KR |