CA2201442A1 - Desiccant composition - Google Patents

Desiccant composition

Info

Publication number
CA2201442A1
CA2201442A1 CA002201442A CA2201442A CA2201442A1 CA 2201442 A1 CA2201442 A1 CA 2201442A1 CA 002201442 A CA002201442 A CA 002201442A CA 2201442 A CA2201442 A CA 2201442A CA 2201442 A1 CA2201442 A1 CA 2201442A1
Authority
CA
Canada
Prior art keywords
starch
desiccant composition
calcium chloride
percent
modified
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002201442A
Other languages
French (fr)
Other versions
CA2201442C (en
Inventor
Richard M. Shelley
Matthew L. Rix
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sued Chemie Inc
Original Assignee
United Catalysts Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/715,067 external-priority patent/US5743942A/en
Application filed by United Catalysts Inc filed Critical United Catalysts Inc
Publication of CA2201442A1 publication Critical patent/CA2201442A1/en
Application granted granted Critical
Publication of CA2201442C publication Critical patent/CA2201442C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00—Layered products having a general shape other than plane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/046—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium containing halogens, e.g. halides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/2805—Sorbents inside a permeable or porous casing, e.g. inside a container, bag or membrane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • B65D81/268—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants the absorber being enclosed in a small pack, e.g. bag, included in the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/46—Materials comprising a mixture of inorganic and organic materials
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

Abstract

Disclosed is a new desiccant composition comprised of calcium chloride and starch. Preferably the starch is a modified starch, preferably a modified corn starch. The composition contains from about 5 to about 95 percent calcium chloride and from about 5 to about 95 percent starch.
CA 2201442 1996-09-19 1997-04-01 Desiccant composition Expired - Lifetime CA2201442C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/715,067 US5743942A (en) 1996-09-19 1996-09-19 Desiccant container
US08/715,067 1996-09-19
US08/748,362 1996-11-13
US08/748,362 US5935304A (en) 1996-09-19 1996-11-13 Desiccant composition

Publications (2)

Publication Number Publication Date
CA2201442A1 true CA2201442A1 (en) 1998-03-19
CA2201442C CA2201442C (en) 2002-05-21

Family

ID=27109266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2201442 Expired - Lifetime CA2201442C (en) 1996-09-19 1997-04-01 Desiccant composition

Country Status (6)

Country Link
US (2) US5935304A (en)
EP (1) EP0832686A3 (en)
JP (1) JPH1099632A (en)
AU (2) AU701618B2 (en)
CA (1) CA2201442C (en)
SG (1) SG70028A1 (en)

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US6689197B2 (en) * 1996-09-19 2004-02-10 Sud-Chemie Inc. Desiccant composition
US6224258B1 (en) * 1998-04-06 2001-05-01 Darren W. Dodson Storage system including bag with hole reinforcing structure
US6592919B1 (en) * 1998-06-02 2003-07-15 Sealed Air (Nz) Limited Carbon dioxide atmosphere modifiers for packaging
US6235219B1 (en) * 1999-08-02 2001-05-22 Thomas Beckenhauer Compositions useful as desiccants and methods relating thereto
US6977589B2 (en) * 2000-12-05 2005-12-20 Desiccare, Inc. Desiccant bag with enclosed EAS tag and security markings
KR100845014B1 (en) * 2001-09-11 2008-07-08 에스테 가가꾸 가부시끼 가이샤 Dehumidifying agent of coating film delaminating type
GB0202059D0 (en) 2002-01-30 2002-03-13 Reckitt Benckiser Uk Ltd Chemical compositions and methods
DE10221888B4 (en) * 2002-05-16 2004-04-08 Uhu Gmbh & Co. Kg Luftentfeuchtungsvorrichtung
US6858068B2 (en) * 2002-09-30 2005-02-22 Nanopore, Inc. Device for providing microclimate control
US7617932B2 (en) * 2003-09-19 2009-11-17 Diabetes Diagnostics, Inc. Medical device package, kit and associated methods
US7516845B2 (en) * 2004-03-31 2009-04-14 Inverness Medical Limited Medical device package with deformable projections
US7148396B2 (en) * 2004-09-15 2006-12-12 Kimberly-Clark Worldwide, Inc. Disposable garment with system for reducing humidity
FR2879109B1 (en) * 2004-12-10 2007-04-27 Jean Francois Lafougere ABSORBENT COMPOSITION OF HUMIDITY
WO2007109063A2 (en) * 2006-03-15 2007-09-27 Sud-Chemie Inc. Moisture absorbing product for use in containers
FI20065636A0 (en) * 2006-10-04 2006-10-04 Lab Pharma Ltd Desiccant system for controlling the moisture of inhalable powders
AU2008265610B2 (en) 2007-06-21 2012-08-23 Gen-Probe Incorporated Instrument and receptacles for performing processes
US11713245B2 (en) * 2009-12-17 2023-08-01 Sipka Inc. Article for generating chlorine dioxide
DE102012105440A1 (en) 2012-06-22 2013-12-24 Chemische Fabrik Budenheim Kg Use of metal phosphates, as alone or mixture of two different metal phosphates or as production-related mixture of metal phosphates as moisture regulator for producing moisture-regulating material that is used for packaging e.g. drugs
US9341409B1 (en) 2012-08-24 2016-05-17 John E. Akers Compact portable dryer for damp outdoor gear
DE112014003517B4 (en) * 2013-08-01 2017-08-24 The Yokohama Rubber Co., Ltd Use of a coagulant and its use in a tire puncture repair kit
KR101659173B1 (en) 2014-11-26 2016-09-22 주식회사 립멘 Method of Preparing Superabsorbent Water Absorbent and Method of Manufacturing Thereof
FR3037258B1 (en) * 2015-06-15 2020-10-16 Eurotab MOISTURE ABSORBING COMPOSITION INCLUDING A SEQUESTRANT AGENT
EP3284532B1 (en) 2016-08-19 2021-09-08 Belisarius B.V. Mouldable desiccant composition
CA2955458A1 (en) * 2017-01-20 2018-07-20 1945975 Alberta Ltd Moisture and odour removing insert
US11498048B2 (en) 2017-10-13 2022-11-15 W.M. Barr & Company, Inc. Composition containing urea for use in brine formation
KR101998070B1 (en) * 2017-12-05 2019-07-09 인제대학교 산학협력단 Dehumidifying Agent Using Grain and Method Thereof
US10500566B2 (en) * 2018-03-07 2019-12-10 Faz Too, Llc Desiccant and deodorizing device
US10882295B2 (en) 2018-03-09 2021-01-05 Novipax Llc Absorbent fluff and tissue laminate pads for food packaging
CA3116727A1 (en) * 2018-10-17 2020-04-23 Saint-Gobain Abrasives, Inc. Package including abrasive article and desiccant
WO2020154237A1 (en) 2019-01-21 2020-07-30 Hosac Tracy Collectable absorber canisters
DE202020100696U1 (en) 2020-02-10 2020-02-21 Clariant International Ltd Absorbent material for moisture and volatile organic compounds
CN112478421A (en) * 2020-12-05 2021-03-12 任杰 Layered self-loosening bagged drying agent
CN113244748A (en) * 2021-05-28 2021-08-13 大旺干燥剂(深圳)有限公司 Desiccant with moisture absorption, flame retardation and insulation effects and production method thereof

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US1383247A (en) * 1919-01-16 1921-06-28 Curtis M Smith Absorbent material for use in ice-machines
US1798862A (en) * 1929-06-05 1931-03-31 Howard H Baker Dehydrating composition
US2027093A (en) * 1933-11-15 1936-01-07 Weiss And Downs Inc Deodorized calcium chloride
US3390511A (en) * 1965-11-09 1968-07-02 Products Company Van Gas dryer desiccant and method of preparation
US3334468A (en) * 1966-10-27 1967-08-08 Dow Chemical Co Method of drying gas streams
US3779936A (en) * 1972-02-04 1973-12-18 Dow Chemical Co Calcium chloride and polyethylene glycol desiccant briquette
US3923944A (en) * 1974-01-28 1975-12-02 Dow Chemical Co Briquetting calcium chloride particulate
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US3885926A (en) * 1974-06-26 1975-05-27 Maloney Crawford Tank Modified calcium chloride brine desiccant
SU700187A1 (en) 1977-10-04 1979-11-30 Всесоюзный научно-исследовательский и проектный институт химической промышленности Sorbent for absorbing moisture and gas impurities
US4332845A (en) * 1979-12-21 1982-06-01 Mitsubishi Gas Chemical Company, Inc. Oxygen absorbent-containing bag
US4464261A (en) * 1982-07-28 1984-08-07 Multiform Desiccants, Inc. Adsorbent device
JPS61103523A (en) * 1984-10-26 1986-05-22 Fumakiraa Kk Groscopic agent composition
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US4826516A (en) * 1986-09-18 1989-05-02 Daiken Kogyo Kabushiki Kaisha Moisture-remover and moisture-removing apparatus
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Also Published As

Publication number Publication date
JPH1099632A (en) 1998-04-21
SG70028A1 (en) 2000-01-25
EP0832686A2 (en) 1998-04-01
AU686060B1 (en) 1998-01-29
EP0832686A3 (en) 1998-04-08
CA2201442C (en) 2002-05-21
AU701618B2 (en) 1999-02-04
US6217701B1 (en) 2001-04-17
AU1492397A (en) 1998-03-26
US5935304A (en) 1999-08-10

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Legal Events

Date Code Title Description
EEER Examination request