DE60031732D1 - Alkali-lösliche Mischung von Zellulosederivaten - Google Patents

Alkali-lösliche Mischung von Zellulosederivaten

Info

Publication number
DE60031732D1
DE60031732D1 DE60031732T DE60031732T DE60031732D1 DE 60031732 D1 DE60031732 D1 DE 60031732D1 DE 60031732 T DE60031732 T DE 60031732T DE 60031732 T DE60031732 T DE 60031732T DE 60031732 D1 DE60031732 D1 DE 60031732D1
Authority
DE
Germany
Prior art keywords
alkali
cellulose derivatives
soluble mixture
soluble
mixture
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.)
Expired - Lifetime
Application number
DE60031732T
Other languages
English (en)
Inventor
Paola Puppo
Alberto Valsecchi
Carlo Barlocco
Luisa Tavella
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.)
Ferrania Technologies SpA
Original Assignee
Ferrania Technologies SpA
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 Ferrania Technologies SpA filed Critical Ferrania Technologies SpA
Application granted granted Critical
Publication of DE60031732D1 publication Critical patent/DE60031732D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
    • A61K9/2806—Coating materials
    • A61K9/2833—Organic macromolecular compounds
    • A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
    • A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/226—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin esterified

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Emergency Medicine (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
DE60031732T 1999-01-29 2000-01-12 Alkali-lösliche Mischung von Zellulosederivaten Expired - Lifetime DE60031732D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999SV000003A IT1311466B1 (it) 1999-01-29 1999-01-29 Miscela alcalino-solubile composta da derivanti della cellulosa.

Publications (1)

Publication Number Publication Date
DE60031732D1 true DE60031732D1 (de) 2006-12-21

Family

ID=11408326

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60031732T Expired - Lifetime DE60031732D1 (de) 1999-01-29 2000-01-12 Alkali-lösliche Mischung von Zellulosederivaten

Country Status (4)

Country Link
US (1) US6261752B1 (de)
EP (1) EP1024401B1 (de)
DE (1) DE60031732D1 (de)
IT (1) IT1311466B1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE669912A (de) 1964-09-29 1966-01-17
US3870702A (en) 1971-03-19 1975-03-11 Shinetsu Chemical Co Cellulose ether compositions useful as enteric coatings
JPS51120214A (en) 1975-04-14 1976-10-21 Fuji Photo Film Co Ltd Photo-material including antihalation layer
US4226981A (en) 1977-09-28 1980-10-07 Shin-Etsu Chemical Co., Ltd. Ether-ester derivatives of cellulose and their applications
US4262088A (en) 1979-09-20 1981-04-14 Minnesota Mining And Manufacturing Company Photographic material having a removable antihalo layer
JPS5855125B2 (ja) * 1980-03-10 1983-12-08 信越化学工業株式会社 固形薬剤用腸溶性コ−テイング剤組成物
US5356634A (en) * 1992-11-13 1994-10-18 Eastman Chemical Company Controlled-release delivery system
US5925181A (en) 1996-04-08 1999-07-20 Cook; Phillip Michael pH-sensitive modified cellulose ester

Also Published As

Publication number Publication date
EP1024401B1 (de) 2006-11-08
EP1024401A3 (de) 2003-08-27
US6261752B1 (en) 2001-07-17
ITSV990003A0 (it) 1999-01-29
EP1024401A2 (de) 2000-08-02
IT1311466B1 (it) 2002-03-13
ITSV990003A1 (it) 2000-07-29

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Legal Events

Date Code Title Description
8332 No legal effect for de