CA2271423A1 - Glass-like polysaccharides useful as absorbents - Google Patents

Glass-like polysaccharides useful as absorbents Download PDF

Info

Publication number
CA2271423A1
CA2271423A1 CA002271423A CA2271423A CA2271423A1 CA 2271423 A1 CA2271423 A1 CA 2271423A1 CA 002271423 A CA002271423 A CA 002271423A CA 2271423 A CA2271423 A CA 2271423A CA 2271423 A1 CA2271423 A1 CA 2271423A1
Authority
CA
Canada
Prior art keywords
glass
absorbent
liquids
respect
mum
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.)
Abandoned
Application number
CA002271423A
Other languages
English (en)
French (fr)
Inventor
Unknown
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.)
Lysac Technologies Inc
Original Assignee
Lysac Technologies 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
Application filed by Lysac Technologies Inc filed Critical Lysac Technologies Inc
Priority to CA002271423A priority Critical patent/CA2271423A1/en
Priority to EP00929165A priority patent/EP1178843B1/en
Priority to US09/569,275 priority patent/US6444653B1/en
Priority to CA2308537A priority patent/CA2308537C/en
Priority to PCT/CA2000/000555 priority patent/WO2000067809A1/en
Priority to AT00929165T priority patent/ATE302031T1/de
Priority to ES00929165T priority patent/ES2261201T3/es
Priority to JP2000616834A priority patent/JP4503861B2/ja
Priority to AU47377/00A priority patent/AU774764B2/en
Priority to MXPA01011526 priority patent/MX236054B/es
Priority to DE60022023T priority patent/DE60022023T2/de
Publication of CA2271423A1 publication Critical patent/CA2271423A1/en
Priority to US10/115,412 priority patent/US6713460B2/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/225—Mixtures of macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/48—Surfactants
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
    • C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
    • C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
    • C08B30/14—Cold water dispersible or pregelatinised starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02—Starch; Degradation products thereof, e.g. dextrin

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Hematology (AREA)
  • Biochemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Vascular Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Materials For Medical Uses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA002271423A 1999-05-11 1999-05-11 Glass-like polysaccharides useful as absorbents Abandoned CA2271423A1 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
CA002271423A CA2271423A1 (en) 1999-05-11 1999-05-11 Glass-like polysaccharides useful as absorbents
AT00929165T ATE302031T1 (de) 1999-05-11 2000-05-11 Glasartige polysaccharide, verwendbar als absorbens für flüssigkeiten
US09/569,275 US6444653B1 (en) 1999-05-11 2000-05-11 Glass-like polysaccharide useful as absorbent for liquids
CA2308537A CA2308537C (en) 1999-05-11 2000-05-11 Glass-like polysaccharide useful as absorbent for liquids
PCT/CA2000/000555 WO2000067809A1 (en) 1999-05-11 2000-05-11 Glass-like polysaccharide useful as absorbent for liquids
EP00929165A EP1178843B1 (en) 1999-05-11 2000-05-11 Glass-like polysaccharide useful as absorbent for liquids
ES00929165T ES2261201T3 (es) 1999-05-11 2000-05-11 Polisacarido vitreo util como absorbente de liquidos.
JP2000616834A JP4503861B2 (ja) 1999-05-11 2000-05-11 液体用吸収剤として有用なガラス状多糖
AU47377/00A AU774764B2 (en) 1999-05-11 2000-05-11 Glass-like polysaccharide useful as absorbent for liquids
MXPA01011526 MX236054B (es) 1999-05-11 2000-05-11 Polisacarido parecido a vidrio, util como absorbente para liquidos..
DE60022023T DE60022023T2 (de) 1999-05-11 2000-05-11 Glasartige polysaccharide, verwendbar als absorbens für flüssigkeiten
US10/115,412 US6713460B2 (en) 1999-05-11 2002-04-03 Glass-like polysaccharide useful as absorbent for liquids

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002271423A CA2271423A1 (en) 1999-05-11 1999-05-11 Glass-like polysaccharides useful as absorbents

Publications (1)

Publication Number Publication Date
CA2271423A1 true CA2271423A1 (en) 2000-11-11

Family

ID=4163538

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002271423A Abandoned CA2271423A1 (en) 1999-05-11 1999-05-11 Glass-like polysaccharides useful as absorbents
CA2308537A Expired - Lifetime CA2308537C (en) 1999-05-11 2000-05-11 Glass-like polysaccharide useful as absorbent for liquids

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2308537A Expired - Lifetime CA2308537C (en) 1999-05-11 2000-05-11 Glass-like polysaccharide useful as absorbent for liquids

Country Status (10)

Country Link
US (2) US6444653B1 (cg-RX-API-DMAC7.html)
EP (1) EP1178843B1 (cg-RX-API-DMAC7.html)
JP (1) JP4503861B2 (cg-RX-API-DMAC7.html)
AT (1) ATE302031T1 (cg-RX-API-DMAC7.html)
AU (1) AU774764B2 (cg-RX-API-DMAC7.html)
CA (2) CA2271423A1 (cg-RX-API-DMAC7.html)
DE (1) DE60022023T2 (cg-RX-API-DMAC7.html)
ES (1) ES2261201T3 (cg-RX-API-DMAC7.html)
MX (1) MX236054B (cg-RX-API-DMAC7.html)
WO (1) WO2000067809A1 (cg-RX-API-DMAC7.html)

Families Citing this family (50)

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CA2351253A1 (en) 2000-11-10 2002-05-10 Groupe Lysac Inc./Lysac Group Inc. Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent
CA2382419A1 (en) 2002-04-24 2003-10-24 Le Groupe Lysac Inc. Synergistic blends of polysaccharides as biodegradable absorbent materials or superabsorbents
CA2423712A1 (en) 2003-03-26 2004-09-26 Nicolas Nourry Crosslinked amylopectin by reactive extrusion and its use as an absorbent or superabsorbent material
US20040157532A1 (en) * 2003-01-14 2004-08-12 George Koutlakis Glass-like polysaccharides
US8815008B2 (en) * 2003-06-04 2014-08-26 Archer Daniels Midland Company Starch-based abrasive absorbent
CA2443059A1 (en) 2003-09-29 2005-03-29 Le Groupe Lysac Inc. Polysaccharide-clay superabsorbent nanocomposites
CA2481491A1 (en) 2004-09-14 2006-03-14 Le Groupe Lysac Inc. Amidinated or guanidinated polysaccharides, their use as absorbents and a process for producing same
US7560419B2 (en) 2004-11-03 2009-07-14 Halliburton Energy Services, Inc. Method and biodegradable super absorbent composition for preventing or treating lost circulation
US20060147689A1 (en) * 2004-12-30 2006-07-06 Raj Wallajapet Absorbent composites containing biodegradable reinforcing fibers
CA2492884A1 (en) * 2005-01-13 2006-07-13 Stephane Chevigny A high efficiency process for particle size reduction of glass-like polysaccharides
KR20140095569A (ko) * 2006-02-28 2014-08-01 에보니크 데구사 게엠베하 우수한 흡수성과 보유성을 지니는 생분해성 초흡수성 중합체 조성물
US20070219521A1 (en) 2006-03-17 2007-09-20 The Procter & Gamble Company Absorbent article comprising a synthetic polymer derived from a renewable resource and methods of producing said article
CA2655538C (en) * 2006-06-20 2015-12-01 Edward Beecher A process for the manufacture of unexpanded glass-like polysaccharides
MX339603B (es) * 2006-09-25 2016-05-31 Archer-Daniels-Midland Company Polisacaridos carboxialquilados superabsorbentes con tratamiento de la superficie y procedimientos para producir los mismos.
US7785710B2 (en) 2006-10-02 2010-08-31 Weyerhaeuser Nr Company Superabsorbent particles containing carboxyalkyl cellulose and temporary metal crosslinks
US7625463B2 (en) 2006-10-02 2009-12-01 Weyerhaeuser Nr Company Methods for the preparation of fibrous superabsorbent composite containing cellulose
US7717995B2 (en) * 2006-10-02 2010-05-18 Weyerhaeuser Nr Company Methods for the preparation of mixed polymer superabsorbent fibers containing cellulose
US20080081165A1 (en) * 2006-10-02 2008-04-03 Weyerhaeuser Co. Fibrous superabsorbent composite containing cellulose
US7645806B2 (en) * 2006-10-02 2010-01-12 Weyerhaeuser Nr Company Methods for the preparation of superabsorbent particles containing carboxyalkyl cellulose
US20080079188A1 (en) * 2006-10-02 2008-04-03 Weyerhaeuser Co. Methods for the preparation of mixed polymer superabsorbent fibers
US20080078514A1 (en) * 2006-10-02 2008-04-03 Weyerhaeuser Co. Methods for the preparation of cellulose fibers having superabsorbent particles adhered thereto
US20080200096A1 (en) * 2007-02-15 2008-08-21 Tyco Healthcare Retail Services Ag Nursing pad
US7591891B2 (en) * 2007-06-25 2009-09-22 Weyerhaeuser Nr Company Fibrous blend and methods of preparation
US7749317B2 (en) 2007-06-25 2010-07-06 Weyerhaeuser Nr Company Fibrous blend and method of making
US7874266B2 (en) * 2007-09-28 2011-01-25 T.F.H. Publications, Inc. Biodegradable waste pad or litter including nutrients for promoting microbial populations
US20090325797A1 (en) * 2008-06-30 2009-12-31 Weyerhaeuser Co. Biodegradable Superabsorbent Particles
US7833384B2 (en) * 2008-06-30 2010-11-16 Weyerhaeuser Nr Company Method for making fiber having biodegradable superabsorbent particles attached thereto
US8101543B2 (en) * 2008-06-30 2012-01-24 Weyerhaeuser Nr Company Biodegradable superabsorbent particles
US8641869B2 (en) * 2008-06-30 2014-02-04 Weyerhaeuser Nr Company Method for making biodegradable superabsorbent particles
US20090326180A1 (en) * 2008-06-30 2009-12-31 Weyerhaeuser Co. Biodegradable Superabsorbent Particles Containing Cellulose Fiber
US7959762B2 (en) * 2008-06-30 2011-06-14 Weyerhaeuser Nr Company Method for making biodegradable superabsorbent particles
US8084391B2 (en) * 2008-06-30 2011-12-27 Weyerhaeuser Nr Company Fibers having biodegradable superabsorbent particles attached thereto
BRMU9000890U2 (pt) * 2010-06-14 2012-02-28 Aparecida Do Amaral Fátima absorvente feminino descartável e biodegradável (ecologicamente correto)
WO2011156878A1 (pt) * 2010-06-14 2011-12-22 Fatima Aparecida Do Amaral "fralda descartável biodegradável (ecologicamente correta)".
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US9547000B2 (en) 2012-08-29 2017-01-17 7905122 Canada Inc. Chromogenic absorbent material for animal litter and related chromogenic solution
JP6105947B2 (ja) * 2013-01-18 2017-03-29 ユニ・チャーム株式会社 保水助剤ならびにそれを含む吸収材、吸収体及び吸収性物品
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US9850512B2 (en) 2013-03-15 2017-12-26 The Research Foundation For The State University Of New York Hydrolysis of cellulosic fines in primary clarified sludge of paper mills and the addition of a surfactant to increase the yield
CA2940054A1 (en) 2014-02-27 2015-09-03 7905122 Canada Inc. Chromogenic absorbent material for animal litter
US9951363B2 (en) 2014-03-14 2018-04-24 The Research Foundation for the State University of New York College of Environmental Science and Forestry Enzymatic hydrolysis of old corrugated cardboard (OCC) fines from recycled linerboard mill waste rejects
KR20170016386A (ko) 2014-06-02 2017-02-13 테티스, 아이엔씨. 개질된 생체중합체, 및 이의 제조 및 사용 방법
JP6727195B2 (ja) 2014-10-01 2020-07-22 ７９０５１２２ カナダ インコーポレイテッド 吸水性材料の製造のためのプロセス
US10689566B2 (en) 2015-11-23 2020-06-23 Anavo Technologies, Llc Coated particles and methods of making and using the same
ES2925691T3 (es) 2016-04-01 2022-10-19 7905122 Canada Inc Proceso para fabricar una almohadilla para cachorros
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CN111511412B (zh) 2017-07-28 2022-12-23 金伯利-克拉克环球有限公司 纳米多孔超吸收颗粒
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CN112773928B (zh) * 2021-01-05 2021-09-21 珠海原妙医学科技股份有限公司 一种淀粉基蓬松颗粒及其制备方法与应用

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Also Published As

Publication number Publication date
US20020156048A1 (en) 2002-10-24
WO2000067809A1 (en) 2000-11-16
JP4503861B2 (ja) 2010-07-14
US6444653B1 (en) 2002-09-03
US6713460B2 (en) 2004-03-30
CA2308537C (en) 2010-02-16
MX236054B (es) 2006-04-20
JP2002543953A (ja) 2002-12-24
MXPA01011526A (es) 2003-09-10
DE60022023D1 (de) 2005-09-22
AU4737700A (en) 2000-11-21
EP1178843A1 (en) 2002-02-13
EP1178843B1 (en) 2005-08-17
DE60022023T2 (de) 2006-03-30
CA2308537A1 (en) 2000-11-11
ES2261201T3 (es) 2006-11-16
AU774764B2 (en) 2004-07-08
ATE302031T1 (de) 2005-09-15

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Legal Events

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FZDE Discontinued