IT1282703B1 - Eteri della carbossimetilcellulosa aventi,come sostituenti,gruppi a catena lunga - Google Patents

Eteri della carbossimetilcellulosa aventi,come sostituenti,gruppi a catena lunga

Info

Publication number
IT1282703B1
IT1282703B1 IT96MI000375A ITMI960375A IT1282703B1 IT 1282703 B1 IT1282703 B1 IT 1282703B1 IT 96MI000375 A IT96MI000375 A IT 96MI000375A IT MI960375 A ITMI960375 A IT MI960375A IT 1282703 B1 IT1282703 B1 IT 1282703B1
Authority
IT
Italy
Prior art keywords
substitutes
long
carboxymethyl cellulose
cellulose ethers
chain groups
Prior art date
Application number
IT96MI000375A
Other languages
English (en)
Inventor
Giuseppe Molteni
Ugo Claudio Pfeiffer
Riaz Ahmed Khan
Original Assignee
Lamberti 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 Lamberti Spa filed Critical Lamberti Spa
Priority to IT96MI000375A priority Critical patent/IT1282703B1/it
Publication of ITMI960375A0 publication Critical patent/ITMI960375A0/it
Priority to PCT/EP1997/000949 priority patent/WO1997031950A1/en
Publication of ITMI960375A1 publication Critical patent/ITMI960375A1/it
Application granted granted Critical
Publication of IT1282703B1 publication Critical patent/IT1282703B1/it

Links

Classifications

    • 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
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Dermatology (AREA)
  • Cosmetics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
IT96MI000375A 1996-02-28 1996-02-28 Eteri della carbossimetilcellulosa aventi,come sostituenti,gruppi a catena lunga IT1282703B1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT96MI000375A IT1282703B1 (it) 1996-02-28 1996-02-28 Eteri della carbossimetilcellulosa aventi,come sostituenti,gruppi a catena lunga
PCT/EP1997/000949 WO1997031950A1 (en) 1996-02-28 1997-02-27 Carboxymethyl cellulose ethers having, as substituents, long chain groups

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000375A IT1282703B1 (it) 1996-02-28 1996-02-28 Eteri della carbossimetilcellulosa aventi,come sostituenti,gruppi a catena lunga

Publications (3)

Publication Number Publication Date
ITMI960375A0 ITMI960375A0 (it) 1996-02-28
ITMI960375A1 ITMI960375A1 (it) 1997-08-28
IT1282703B1 true IT1282703B1 (it) 1998-03-31

Family

ID=11373424

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000375A IT1282703B1 (it) 1996-02-28 1996-02-28 Eteri della carbossimetilcellulosa aventi,come sostituenti,gruppi a catena lunga

Country Status (2)

Country Link
IT (1) IT1282703B1 (it)
WO (1) WO1997031950A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6384011B1 (en) 1997-09-15 2002-05-07 The Procter & Gamble Company Laundry detergent compositions with cellulosic based polymers to provide appearance and integrity benefits to fabrics laundered therewith
JP2001516772A (ja) * 1997-09-15 2001-10-02 ザ、プロクター、エンド、ギャンブル、カンパニー 外観および一体性上の利益をそれで洗濯された布帛に与えるためのセルロース系物質をベースとする重合体を有する洗濯洗剤組成物
SE514347C2 (sv) * 1998-08-06 2001-02-12 Akzo Nobel Nv Nonjonisk cellulosaeter och dess användning som förtjockningsmedel i färgkompositioner
US6669863B1 (en) 1998-12-11 2003-12-30 Akzo Nobel N.V. Anionic cellulose ethers having temperature-dependent associative properties
WO2000035957A1 (en) * 1998-12-11 2000-06-22 Akzo Nobel N.V. Anionic cellulose ethers having temperature-dependent associative properties
WO2002074261A1 (fr) 2001-03-16 2002-09-26 Kao Corporation Emulsion huile dans l'eau et son procede de preparation
JP4290599B2 (ja) * 2004-04-27 2009-07-08 花王株式会社 水中油型乳化物及びその製造法
FR2952375A1 (fr) * 2009-11-10 2011-05-13 Adocia Polysaccharides comportant des groupes fonctionnels carboxyles substitues par esterification par un derive d'alcool hydrophobe
CN114621736B (zh) * 2021-12-08 2024-03-19 中国石油天然气集团有限公司 一种环境友好型钻井液封堵剂、钻井液以及制备方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD140049A1 (de) * 1978-11-28 1980-02-06 Fritz Loth Verfahren zur herstellung von cellulosemischaethern
EP0136722B1 (en) * 1983-10-06 1989-05-31 Kohjin Co., Ltd. Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating

Also Published As

Publication number Publication date
ITMI960375A1 (it) 1997-08-28
WO1997031950A1 (en) 1997-09-04
ITMI960375A0 (it) 1996-02-28

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Legal Events

Date Code Title Description
0001 Granted