FI833497A0 - Foerfarande foer foeretring av cellulosa medelst monokloraettikasyraalkylestrar - Google Patents

Foerfarande foer foeretring av cellulosa medelst monokloraettikasyraalkylestrar

Info

Publication number
FI833497A0
FI833497A0 FI833497A FI833497A FI833497A0 FI 833497 A0 FI833497 A0 FI 833497A0 FI 833497 A FI833497 A FI 833497A FI 833497 A FI833497 A FI 833497A FI 833497 A0 FI833497 A0 FI 833497A0
Authority
FI
Finland
Prior art keywords
foeretring
acyacral
monochlorate
medelst
cellulosa
Prior art date
Application number
FI833497A
Other languages
English (en)
Other versions
FI74026C (fi
FI74026B (fi
FI833497A (fi
Inventor
Eberhard Perplies
Utz-Hellmuth Felcht
Original Assignee
Hoechst 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=6174527&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI833497(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of FI833497A0 publication Critical patent/FI833497A0/fi
Publication of FI833497A publication Critical patent/FI833497A/fi
Application granted granted Critical
Publication of FI74026B publication Critical patent/FI74026B/fi
Publication of FI74026C publication Critical patent/FI74026C/fi

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
    • C08B11/02—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]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Luminescent Compositions (AREA)
  • Prostheses (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Steroid Compounds (AREA)
FI833497A 1982-09-30 1983-09-28 Foerfarande foer foeretring av cellulosa medelst monokloraettikssyraalkylestrar. FI74026C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3236158 1982-09-30
DE19823236158 DE3236158A1 (de) 1982-09-30 1982-09-30 Verfahren zur veretherung von cellulose mit monochloressigsaeurealkylestern

Publications (4)

Publication Number Publication Date
FI833497A0 true FI833497A0 (fi) 1983-09-28
FI833497A FI833497A (fi) 1984-03-31
FI74026B FI74026B (fi) 1987-08-31
FI74026C FI74026C (fi) 1987-12-10

Family

ID=6174527

Family Applications (1)

Application Number Title Priority Date Filing Date
FI833497A FI74026C (fi) 1982-09-30 1983-09-28 Foerfarande foer foeretring av cellulosa medelst monokloraettikssyraalkylestrar.

Country Status (8)

Country Link
US (1) US4526961A (fi)
EP (1) EP0105231B1 (fi)
JP (1) JPS5975903A (fi)
AT (1) ATE26121T1 (fi)
CA (1) CA1205466A (fi)
DE (2) DE3236158A1 (fi)
ES (1) ES8405814A1 (fi)
FI (1) FI74026C (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6686464B1 (en) * 1999-04-26 2004-02-03 Bki Holding Corporation Cellulose ethers and method of preparing the same
CN1312184C (zh) 2000-11-01 2007-04-25 Bki控股公司 纤维素醚及其制备方法
US6881252B2 (en) 2003-09-23 2005-04-19 Corn Products International, Inc. Fiber-based product
JP5142563B2 (ja) * 2007-03-19 2013-02-13 第一工業製薬株式会社 耐剪断性カルボキシメチルセルロースおよびそれを配合した口腔用組成物
CN102822204B (zh) * 2010-03-30 2015-10-07 陶氏环球技术有限责任公司 高粘度羧甲基纤维素及其制备方法
CN102908650B (zh) * 2012-09-25 2015-06-17 北京维索科科技有限公司 可溶性止血材料生产工艺
CN102912618B (zh) * 2012-09-25 2014-10-22 北京维索科科技有限公司 可溶性止血棉生产系统
RU2526089C1 (ru) * 2013-07-04 2014-08-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Волгоградский государственный технический университет" (ВолгГТУ) Реагент для обработки бурового раствора
JPWO2016031449A1 (ja) * 2014-08-28 2017-06-22 第一工業製薬株式会社 非水系電解液二次電池の電極用カルボキシメチルセルロース塩の製造方法、非水系電解液二次電池用電極、および非水系電解液二次電池
JP2019059856A (ja) * 2017-09-27 2019-04-18 第一工業製薬株式会社 カルボキシメチルセルロースまたはその塩の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767170A (en) * 1951-08-29 1956-10-16 Hercules Powder Co Ltd Preparation of alkali cellulose
US3900463A (en) * 1968-12-14 1975-08-19 Dai Ichi Kogyo Seiyaku Co Ltd Process for preparing alkali carboxymethyl cellulose
GB1289548A (fi) * 1969-12-18 1972-09-20
JPS5028981B1 (fi) * 1970-04-02 1975-09-19
JPS5028981A (fi) * 1973-07-13 1975-03-24
DE2358150C2 (de) * 1973-11-22 1982-03-18 Hoechst Ag, 6000 Frankfurt Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern
US4063018A (en) * 1975-04-07 1977-12-13 Daicel Ltd. Process for preparing alkali metal salt of carboxymethyl cellulose ether
DE2556754C3 (de) * 1975-12-17 1982-04-29 Hoechst Ag, 6000 Frankfurt Verfahren zur Modifizierung von wasserlöslichen Hydroxyalkylcelluloseethern zu völlig oder teilweise wasserunlöslichen Produkten und Verfahren zur Herstellung von wäßrigen Lösungen der modifizierten Produkte
JPS6035361B2 (ja) * 1981-04-03 1985-08-14 ダイセル化学工業株式会社 耐塩水性に優れたカルボキシメチルセルロ−ズの製造方法
FI71750C (fi) * 1981-09-10 1987-02-09 Daicel Chem Process foer tillverkning av ett alkalisalt av karboximetylcellulosaeter.
US4401813A (en) * 1981-12-10 1983-08-30 Nl Industries, Inc. Process for preparing alkali metal salt of carboxymethyl cellulose

Also Published As

Publication number Publication date
FI74026C (fi) 1987-12-10
US4526961A (en) 1985-07-02
EP0105231A2 (de) 1984-04-11
ES526131A0 (es) 1984-06-16
CA1205466A (en) 1986-06-03
FI74026B (fi) 1987-08-31
JPS5975903A (ja) 1984-04-28
ES8405814A1 (es) 1984-06-16
ATE26121T1 (de) 1987-04-15
DE3370486D1 (en) 1987-04-30
EP0105231B1 (de) 1987-03-25
EP0105231A3 (en) 1985-07-17
DE3236158A1 (de) 1984-04-05
FI833497A (fi) 1984-03-31

Similar Documents

Publication Publication Date Title
ES543164A0 (es) Un procedimiento para la preparacion de eteres mixtos de ce-lulosa
JPS51128491A (en) A process for preparing aqueous sugars by enzymatic hydrolysis of cell ulose
SE8603008L (sv) Forfarande for framstellning av sulfaterade polysackarider genom anvendning av ett reducerande medel for sulfateringsreaktionen
FI74026B (fi) Foerfarande foer foeretring av cellulosa medelst monokloraettikasyraalkylestrar.
FI824090L (fi) Foerfarande foer framstaellning av cellulosaetrar med dimetoxietan som dispergeringshjaelpmedel
BR8402053A (pt) Processo para a obtencao de eteres mistos de celulose
HK1071148A1 (en) Cellulose derivatives having gel-like rheological properties and process for the preparation thereof
ES447622A2 (es) Un procedimiento para la produccion de eteres celulosicos absorbentes de agua.
ES461417A1 (es) Procedimiento para la fabricacion de eteres alquilicos de celulosa.
GB956247A (en) Improvements in or relating to the manufacture of cellulose ethers
GB1519535A (en) Bioresistant cellulose ethers
DE3060116D1 (en) Process for the preparation of aryl ethers
US2148952A (en) Process for preparing cellulose ethers and products
FI813291L (fi) Fosfonmetylsubstituent innehaollande vattenloesliga cellulosablandetrar och foerfarande foer framstaellning av dem
ES472708A1 (es) Procedimiento para la preparacion de derivados de bromhexina
JPS56143201A (en) Etherification of carboxymethyl cellulose
GB637134A (en) Improvements in or relating to the manufacture of cellulose ethers
GB346806A (en) Improvements in the manufacture of organic substitution derivatives of cellulose
GB662081A (en) Production of fibrous water-soluble alginates
GB786252A (en) Synthetic surface active preparations
ES300744A3 (es) Procedimiento para la fabricaciën de laminas de tabaco
GB526330A (en) Improved preparation of water-soluble cellulose ethers
ES208134A1 (es) UN PROCEDIMIENTO PARA LA OBTENCIoN DE DERIVADOS DE FLAVONOLES
GB829439A (en) New phenol ethers of vitamin bí¬factor iii
FI922212A (fi) Foerfarande foer framstaellning av natriumkarboximetylcellulosa.

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: HOECHST AKTIENGESELLSCHAFT