BR9812971A - éteres de celulose amplamente livres de fibras com retenção de água aperfeiçoada, processos para a sua preparação e seu emprego - Google Patents

éteres de celulose amplamente livres de fibras com retenção de água aperfeiçoada, processos para a sua preparação e seu emprego

Info

Publication number
BR9812971A
BR9812971A BR9812971-6A BR9812971A BR9812971A BR 9812971 A BR9812971 A BR 9812971A BR 9812971 A BR9812971 A BR 9812971A BR 9812971 A BR9812971 A BR 9812971A
Authority
BR
Brazil
Prior art keywords
water retention
free
processes
preparation
cellulose ethers
Prior art date
Application number
BR9812971-6A
Other languages
English (en)
Inventor
Werner Lange
Bernd Schriewer
Friedrich-Karl Lampert
Wilhelm Oppermann
Joern-Bernd Pannek
Rene Kiesewetter
Original Assignee
Wolff Walsrode Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7846036&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9812971(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Wolff Walsrode Ag filed Critical Wolff Walsrode Ag
Publication of BR9812971A publication Critical patent/BR9812971A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/34—Filling pastes
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L29/00—Foods or foodstuffs containing additives; Preparation or treatment thereof
    • A23L29/30—Foods or foodstuffs containing additives; Preparation or treatment thereof containing carbohydrate syrups; containing sugars; containing sugar alcohols, e.g. xylitol; containing starch hydrolysates, e.g. dextrin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A61K31/716—Glucans
    • A61K31/717—Celluloses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73—Polysaccharides
    • A61K8/731—Cellulose; Quaternized cellulose derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • 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
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/38—Polysaccharides or derivatives thereof
    • C04B24/383—Cellulose or derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/10—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals
    • C08B11/12—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals substituted with acid radicals substituted with carboxylic radicals, e.g. carboxymethylcellulose [CMC]
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/43—Thickening agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/69—Particle size larger than 1000 nm
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54—Polymers characterized by specific structures/properties
    • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5422—Polymers characterized by specific structures/properties characterized by the charge nonionic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/54—Polymers characterized by specific structures/properties
    • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
    • A61K2800/5424—Polymers characterized by specific structures/properties characterized by the charge anionic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • Epidemiology (AREA)
  • Ceramic Engineering (AREA)
  • Birds (AREA)
  • Nanotechnology (AREA)
  • Structural Engineering (AREA)
  • Dermatology (AREA)
  • Molecular Biology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Nutrition Science (AREA)
  • Food Science & Technology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Artificial Filaments (AREA)
  • Cosmetics (AREA)
  • Materials For Medical Uses (AREA)
  • Paints Or Removers (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Patente de Invenção: <B>"éTERES DE CELULOSE AMPLAMENTE LIVRES DE FIBRAS COM RETENçãO DE áGUA APERFEIçOADA, PROCESSOS PARA A SUA PREPARAçãO E SEU EMPREGO"<D>. A invenção refere-se a um processo para a preparação de uma carboximetilcelulose amplamente isenta de fibras com propriedades principalmente elásticas, bem como seu emprego como material superabsorvente, bem como seu emprego como agente auxiliar para ajustar uma reologia e retenção de água adequada para os setores cosmético, farmacêutico e alimentício, bem como para aplicações técnicas, tais como por exemplo, como aditivo para agentes de pintura, a vedação de cabos bem como a aplicação na construção de túneis e na exploração subterrânea.
BR9812971-6A 1997-10-20 1998-10-12 éteres de celulose amplamente livres de fibras com retenção de água aperfeiçoada, processos para a sua preparação e seu emprego BR9812971A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19746264A DE19746264A1 (de) 1997-10-20 1997-10-20 Verfahren zur Herstellung einer Carboxymethylcellulose mit verbesserter Wasserretention
PCT/EP1998/006451 WO1999020657A2 (de) 1997-10-20 1998-10-12 Weitgehend faserfreie celluloseether mit verbesserter wasserretention, verfahren zur herstellung und ihre verwendung

Publications (1)

Publication Number Publication Date
BR9812971A true BR9812971A (pt) 2000-08-08

Family

ID=7846036

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9812971-6A BR9812971A (pt) 1997-10-20 1998-10-12 éteres de celulose amplamente livres de fibras com retenção de água aperfeiçoada, processos para a sua preparação e seu emprego

Country Status (13)

Country Link
US (1) US6593468B1 (pt)
EP (1) EP1025130B2 (pt)
JP (1) JP2001520281A (pt)
KR (1) KR100526374B1 (pt)
AT (1) ATE272653T1 (pt)
AU (1) AU2150599A (pt)
BR (1) BR9812971A (pt)
CA (1) CA2307625C (pt)
DE (2) DE19746264A1 (pt)
DK (1) DK1025130T3 (pt)
ES (1) ES2224461T3 (pt)
PT (1) PT1025130E (pt)
WO (1) WO1999020657A2 (pt)

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Also Published As

Publication number Publication date
EP1025130A2 (de) 2000-08-09
WO1999020657A2 (de) 1999-04-29
DE59811769D1 (de) 2004-09-09
CA2307625A1 (en) 1999-04-29
ATE272653T1 (de) 2004-08-15
WO1999020657A3 (de) 1999-07-01
EP1025130B1 (de) 2004-08-04
JP2001520281A (ja) 2001-10-30
DE19746264A1 (de) 1999-04-29
KR100526374B1 (ko) 2005-11-08
AU2150599A (en) 1999-05-10
ES2224461T3 (es) 2005-03-01
CA2307625C (en) 2007-06-05
KR20010031211A (ko) 2001-04-16
DK1025130T3 (da) 2004-12-06
EP1025130B2 (de) 2016-08-24
PT1025130E (pt) 2004-12-31
US6593468B1 (en) 2003-07-15

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