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FI810541L - Foerfarande foer framstaellning av vattenfattig alkalicellulosa - Google Patents

Foerfarande foer framstaellning av vattenfattig alkalicellulosa

Info

Publication number
FI810541L
FI810541L FI810541A FI810541A FI810541L FI 810541 L FI810541 L FI 810541L FI 810541 A FI810541 A FI 810541A FI 810541 A FI810541 A FI 810541A FI 810541 L FI810541 L FI 810541L
Authority
FI
Finland
Prior art keywords
cellulosis
alkalic
framework
alkalic cellulosis
Prior art date
Application number
FI810541A
Other languages
English (en)
Other versions
FI66882B (fi
FI66882C (fi
Inventor
Norbert Kuhne
Hasso Leischner
Wilfrid Raehse
Willi Wust
Original Assignee
Henkel Kgaa
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=6097620&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI810541(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Henkel Kgaa filed Critical Henkel Kgaa
Publication of FI810541L publication Critical patent/FI810541L/fi
Publication of FI66882B publication Critical patent/FI66882B/fi
Application granted granted Critical
Publication of FI66882C publication Critical patent/FI66882C/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI810541A 1980-03-19 1981-02-23 Foerfarande foer framstaellning av vattenfattig alkalicellulosa FI66882C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803010464 DE3010464A1 (de) 1980-03-19 1980-03-19 Verfahren zur herstellung von wasserarmer alkalicellulose
DE3010464 1980-03-19

Publications (3)

Publication Number Publication Date
FI810541L true FI810541L (fi) 1981-09-20
FI66882B FI66882B (fi) 1984-08-31
FI66882C FI66882C (fi) 1986-02-20

Family

ID=6097620

Family Applications (1)

Application Number Title Priority Date Filing Date
FI810541A FI66882C (fi) 1980-03-19 1981-02-23 Foerfarande foer framstaellning av vattenfattig alkalicellulosa

Country Status (5)

Country Link
US (1) US4341892A (fi)
EP (1) EP0038925B1 (fi)
JP (1) JPS56145901A (fi)
DE (2) DE3010464A1 (fi)
FI (1) FI66882C (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3147434A1 (de) * 1981-11-30 1983-06-09 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von celluloseethern mit dimethoxyethan als dispergierhilfsmittel
US4401813A (en) * 1981-12-10 1983-08-30 Nl Industries, Inc. Process for preparing alkali metal salt of carboxymethyl cellulose
US4547570A (en) * 1983-10-20 1985-10-15 The Dow Chemical Company Process for preparing cellulose ethers
JP5030569B2 (ja) * 2005-12-27 2012-09-19 信越化学工業株式会社 セルロースエーテルの製造方法
CN104292342A (zh) * 2006-06-14 2015-01-21 塞皮制造（Pty）有限公司 制备碱纤维素的方法
JP5586186B2 (ja) * 2009-08-06 2014-09-10 株式会社プレックス アルカリセルロースまたはその誘導体の製造方法。
CN117440974A (zh) * 2021-06-08 2024-01-23 营养与生物科学美国1有限责任公司 用于生产甲基纤维素或羟烷基甲基纤维素的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1682294A (en) * 1928-08-28 chemistry
CA546634A (en) * 1957-09-24 C. Laughlin Kenneth Preparation of alkali cellulose
GB543301A (en) * 1940-08-16 1942-02-18 Henry Dreyfus Improvements in or relating to the production of alkali cellulose and cellulose ethers
GB611081A (en) * 1945-03-09 1948-10-25 Mo Och Domsjoe Ab Improvements in or relating to the production of alkali cellulose
US2680737A (en) * 1951-05-17 1954-06-08 Hercules Powder Co Ltd Alkali cellulose preparation
US2767170A (en) * 1951-08-29 1956-10-16 Hercules Powder Co Ltd Preparation of alkali cellulose
US2680738A (en) * 1952-04-11 1954-06-08 Hercules Powder Co Ltd Preparation of alkali cellulose
US3085087A (en) * 1956-09-13 1963-04-09 Hercules Powder Co Ltd Preparation of carboxyalkyl cellulose ethers
DE1468226B2 (de) * 1963-10-08 1973-03-22 Miltenberger Industriewerk P.&B. Weber, 8761 Bürgstadt Verfahren zur herstellung von alkalicellulose

Also Published As

Publication number Publication date
FI66882B (fi) 1984-08-31
DE3010464A1 (de) 1981-10-01
EP0038925A3 (en) 1982-04-28
EP0038925A2 (de) 1981-11-04
JPS56145901A (en) 1981-11-13
EP0038925B1 (de) 1985-02-13
US4341892A (en) 1982-07-27
FI66882C (fi) 1986-02-20
DE3168851D1 (en) 1985-03-28
JPH0157681B2 (fi) 1989-12-07

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN