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FR2215427B1 - - Google Patents

Info

Publication number
FR2215427B1
FR2215427B1 FR7402493A FR7402493A FR2215427B1 FR 2215427 B1 FR2215427 B1 FR 2215427B1 FR 7402493 A FR7402493 A FR 7402493A FR 7402493 A FR7402493 A FR 7402493A FR 2215427 B1 FR2215427 B1 FR 2215427B1
Authority
FR
France
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
Application number
FR7402493A
Other versions
FR2215427A1 (fr
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of FR2215427A1 publication Critical patent/FR2215427A1/fr
Application granted granted Critical
Publication of FR2215427B1 publication Critical patent/FR2215427B1/fr
Expired legal-status Critical Current

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
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Medicinal Preparation (AREA)
FR7402493A 1973-01-26 1974-01-25 Expired FR2215427B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00327013A US3839319A (en) 1973-01-26 1973-01-26 Hydroxypropyl methylcellulose ethers and method of preparation

Publications (2)

Publication Number Publication Date
FR2215427A1 FR2215427A1 (fr) 1974-08-23
FR2215427B1 true FR2215427B1 (fr) 1978-10-27

Family

ID=23274758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7402493A Expired FR2215427B1 (fr) 1973-01-26 1974-01-25

Country Status (12)

Country Link
US (1) US3839319A (fr)
JP (1) JPS49107081A (fr)
AU (1) AU476424B2 (fr)
BE (1) BE810160A (fr)
BR (1) BR7400530D0 (fr)
CA (1) CA1010856A (fr)
DE (1) DE2402740A1 (fr)
FR (1) FR2215427B1 (fr)
GB (1) GB1451412A (fr)
IT (1) IT1002757B (fr)
NL (1) NL7400870A (fr)
SE (1) SE396393B (fr)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3954626A (en) * 1973-09-24 1976-05-04 The Dow Chemical Company Well treating composition and method
US4096325A (en) * 1976-02-20 1978-06-20 Anheuser-Busch, Incorporated Methyl hydroxypropyl cellulose ethers
US4369172A (en) * 1981-12-18 1983-01-18 Forest Laboratories Inc. Prolonged release therapeutic compositions based on hydroxypropylmethylcellulose
DE3151681A1 (de) 1981-12-28 1983-07-07 Henkel KGaA, 4000 Düsseldorf "hydroxyalkylcellulosen mit verbesserter stabilitaet gegen abbau, verfahren zu ihrer herstellung und ihre verwendung"
US4389393A (en) * 1982-03-26 1983-06-21 Forest Laboratories, Inc. Sustained release therapeutic compositions based on high molecular weight hydroxypropylmethylcellulose
US4419510A (en) * 1982-07-30 1983-12-06 The Dow Chemical Company Method for controlling cellulose etherification reaction
US4429120A (en) 1982-12-29 1984-01-31 The Dow Chemical Company Ethylhydroxyalkylmethylcellulose ethers
DE3316124A1 (de) * 1983-05-03 1984-11-08 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von wasserloeslichen cellulosemischethern
US4477657A (en) * 1983-07-08 1984-10-16 The Dow Chemical Company Process for preparing hydroxyalkylcellulose ethers
US4456751A (en) * 1983-09-22 1984-06-26 The Dow Chemical Company Multiple stage process for preparing mixed hydroxyalkylcellulose ethers
US4523010A (en) * 1984-06-15 1985-06-11 Hercules Incorporated Dihydroxypropyl mixed ether derivatives of cellulose
PT82093B (pt) 1985-02-28 1988-07-01 Dow Chemical Co Processo para a preparacao de eteres de hidroxipropil metil celulose uteis como agentes de suspensao para polimerizacao por suspensao do cloreto de vinilo e como agentes de espassamento para liquidos organicos
US5003057A (en) * 1988-12-23 1991-03-26 Henkel Kommanditgesellschaft Auf Aktien Process for production of glycosides
DE4015160A1 (de) 1990-05-11 1991-11-14 Wolff Walsrode Ag Methylhydroxypropylcelluloseether und verfahren zu ihrer herstellung
US5770528A (en) * 1996-12-31 1998-06-23 Kimberly-Clark Worldwide, Inc. Methylated hydroxypropylcellulose and temperature responsive products made therefrom
US5969052A (en) 1996-12-31 1999-10-19 Kimberly Clark Worldwide, Inc. Temperature sensitive polymers and water-dispersible products containing the polymers
US5986004A (en) 1997-03-17 1999-11-16 Kimberly-Clark Worldwide, Inc. Ion sensitive polymeric materials
US7179486B1 (en) 1997-04-01 2007-02-20 Nostrum Pharmaceuticals, Inc. Process for preparing sustained release tablets
US6043317A (en) 1997-05-23 2000-03-28 Kimberly-Clark Worldwide, Inc. Ion sensitive binder for fibrous materials
US5976694A (en) 1997-10-03 1999-11-02 Kimberly-Clark Worldwide, Inc. Water-sensitive compositions for improved processability
US6713414B1 (en) 2000-05-04 2004-03-30 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6423804B1 (en) 1998-12-31 2002-07-23 Kimberly-Clark Worldwide, Inc. Ion-sensitive hard water dispersible polymers and applications therefor
US7276459B1 (en) 2000-05-04 2007-10-02 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6579570B1 (en) 2000-05-04 2003-06-17 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6204369B1 (en) 1999-06-08 2001-03-20 Henkel Corporation Process for the preparation of alykl polyglycosides
US6548592B1 (en) 2000-05-04 2003-04-15 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US7101612B2 (en) 2000-05-04 2006-09-05 Kimberly Clark Worldwide, Inc. Pre-moistened wipe product
US6653406B1 (en) 2000-05-04 2003-11-25 Kimberly Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6683143B1 (en) 2000-05-04 2004-01-27 Kimberly Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6835678B2 (en) 2000-05-04 2004-12-28 Kimberly-Clark Worldwide, Inc. Ion sensitive, water-dispersible fabrics, a method of making same and items using same
US6444214B1 (en) 2000-05-04 2002-09-03 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6429261B1 (en) 2000-05-04 2002-08-06 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6599848B1 (en) 2000-05-04 2003-07-29 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6815502B1 (en) 2000-05-04 2004-11-09 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersable polymers, a method of making same and items using same
DE10038978A1 (de) 2000-08-10 2002-02-21 Wolff Walsrode Ag Verfahren zur Herstellung von Alkylhydroxyalkylcellulose
US6908966B2 (en) 2001-03-22 2005-06-21 Kimberly-Clark Worldwide, Inc. Water-dispersible, cationic polymers, a method of making same and items using same
US6897168B2 (en) 2001-03-22 2005-05-24 Kimberly-Clark Worldwide, Inc. Water-dispersible, cationic polymers, a method of making same and items using same
US7070854B2 (en) 2001-03-22 2006-07-04 Kimberly-Clark Worldwide, Inc. Water-dispersible, cationic polymers, a method of making same and items using same
US6828014B2 (en) 2001-03-22 2004-12-07 Kimberly-Clark Worldwide, Inc. Water-dispersible, cationic polymers, a method of making same and items using same
WO2002094882A1 (fr) * 2001-05-21 2002-11-28 Dow Global Technologies Inc. Procede de preparation d'ethers d'alkyle hydroxyalkyle cellulose
DE10135464A1 (de) * 2001-07-20 2003-02-06 Wolff Walsrode Ag Verfahren zur Herstellung von Alkylhydroxyalkylcellulose
JP4122860B2 (ja) 2002-06-21 2008-07-23 株式会社ダイフク 移動体使用の搬送設備
PT103884A (pt) * 2006-11-17 2008-05-19 Astrazeneca Ab Composições de libertação prolongada e métodos para a sua preparação
US8993747B2 (en) 2009-03-05 2015-03-31 Dow Global Technologies Llc Process for improved production of alkali cellulose and cellulose derivatives
BR112013005642B1 (pt) * 2010-10-12 2021-12-07 Nutrition & Biosciences Usa 1, Llc Éter de celulose, composição aquosa para a manufatura de cápsulas ou revestimentos, processo para a manufatura de cápsulas, processo para revestir uma forma de dosagem, invólucro de cápsula, cápsula e forma de dosagem
WO2012051034A1 (fr) * 2010-10-12 2012-04-19 Dow Global Technologies Llc Nouveaux éthers de cellulose et utilisation de ceux-ci
MX355025B (es) 2014-10-31 2018-04-02 Dow Global Technologies Llc Proceso eficiente para preparar ester de eter de celulosa.
US10730956B2 (en) 2015-01-08 2020-08-04 Dow Global Technologies Llc Process for producing a water-soluble cellulose derivative having a reduced content of water-insoluble particles
CN109851681A (zh) * 2018-12-19 2019-06-07 安徽山河药用辅料股份有限公司 一种植物胶囊专用羟丙甲纤维素的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958607A (en) * 1958-01-23 1960-11-01 Dow Chemical Co Water-soluble thermoplastic cellulose ether compositions and films prepared therefrom
FR1399176A (fr) * 1963-06-19 1965-05-14 Toyo Spinning Co Procédé de préparation d'éthers cellulosiques solubles dans l'eau
GB1144225A (en) * 1965-09-07 1969-03-05 Dow Chemical Co Preparation of medicinal capsule shells from hydroxyalkyl-alkyl cellulose ethers
US3388082A (en) * 1965-11-01 1968-06-11 Dow Chemical Co Novel hydroxypropyl methyl cellulose ethers, a process for preparing the same, and compositions utilizing such ethers
JPS4819231B1 (fr) * 1970-03-06 1973-06-12

Also Published As

Publication number Publication date
US3839319A (en) 1974-10-01
NL7400870A (fr) 1974-07-30
JPS49107081A (fr) 1974-10-11
BR7400530D0 (pt) 1974-08-22
DE2402740A1 (de) 1974-08-01
BE810160A (fr) 1974-07-25
IT1002757B (it) 1976-05-20
AU476424B2 (en) 1976-09-23
FR2215427A1 (fr) 1974-08-23
CA1010856A (en) 1977-05-24
GB1451412A (en) 1976-10-06
AU6448974A (en) 1975-07-17
SE396393B (sv) 1977-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse