FI832879A0 - Foerfarande foer framstaellning av cellulosaderivat med oenskad loesningsviskositet - Google Patents

Foerfarande foer framstaellning av cellulosaderivat med oenskad loesningsviskositet

Info

Publication number
FI832879A0
FI832879A0 FI832879A FI832879A FI832879A0 FI 832879 A0 FI832879 A0 FI 832879A0 FI 832879 A FI832879 A FI 832879A FI 832879 A FI832879 A FI 832879A FI 832879 A0 FI832879 A0 FI 832879A0
Authority
FI
Finland
Prior art keywords
cellulose
procedure
adjustment
medicinal products
products
Prior art date
Application number
FI832879A
Other languages
English (en)
Other versions
FI832879A (fi
Inventor
Clark Wayne Gibson
Carl Preston Strange
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 FI832879A0 publication Critical patent/FI832879A0/fi
Publication of FI832879A publication Critical patent/FI832879A/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B9/00—Cellulose xanthate; Viscose
    • C08B9/06—Single-stage processes

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)
FI832879A 1982-08-12 1983-08-10 Foerfarande foer framstaellning av cellulosaderivat med oenskad loesningsviskositet FI832879A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/407,382 US4410693A (en) 1982-08-12 1982-08-12 Process for preparing cellulose derivatives

Publications (2)

Publication Number Publication Date
FI832879A0 true FI832879A0 (fi) 1983-08-10
FI832879A FI832879A (fi) 1984-02-13

Family

ID=23611812

Family Applications (1)

Application Number Title Priority Date Filing Date
FI832879A FI832879A (fi) 1982-08-12 1983-08-10 Foerfarande foer framstaellning av cellulosaderivat med oenskad loesningsviskositet

Country Status (7)

Country Link
US (1) US4410693A (fi)
EP (1) EP0103164A3 (fi)
JP (1) JPS5956401A (fi)
AU (1) AU1785183A (fi)
CA (1) CA1196627A (fi)
FI (1) FI832879A (fi)
IN (1) IN160108B (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GR860550B (en) 1985-02-28 1986-06-24 Dow Chemical Co Hydroxypropyl methyl cellulose ethers useful as suspending agents for suspension polymerization of vinyl chloride and as thickening agents for organic liquid
US5576306A (en) * 1991-03-01 1996-11-19 Dow Chemical Company Pharmaceutical compositions and uses of water-soluble, high-viscosity grade cellulose ethers
US5721221A (en) * 1991-03-08 1998-02-24 Regents Of The University Of Minnesota Lowering blood cholesterol levels using water soluble cellulose ethers
US5281584A (en) * 1992-02-28 1994-01-25 The Dow Chemical Company Effect of particle-size distribution of cellulose ethers on palatability of compositions
US5504201A (en) * 1994-03-14 1996-04-02 The Dow Chemical Company Process for recovering salable cellulose ethers from an aqueous medium containing such cellulose ethers
US5766638A (en) * 1995-12-08 1998-06-16 The Dow Chemical Company Hydroxypropyl methocellulose ether compositions for reduction of serum lipid levels
KR101445270B1 (ko) * 2006-05-18 2014-09-29 다우 글로벌 테크놀로지스 엘엘씨 셀룰로스 분말의 제조에서 특정한 스크린의 용도
JP5737993B2 (ja) 2011-02-21 2015-06-17 信越化学工業株式会社 アルカリセルロースの製造装置及びセルロースエーテルの製造方法
JP5737994B2 (ja) 2011-02-21 2015-06-17 信越化学工業株式会社 微粉セルロースの回収を含むセルロースエーテルの製造方法
MX351364B (es) 2011-02-21 2017-10-11 Shinetsu Chemical Co Metodos para producir celulosa alcalina y eter de celulosa.
JP5671367B2 (ja) * 2011-02-21 2015-02-18 信越化学工業株式会社 セルロースエーテルの製造方法
JP5571599B2 (ja) 2011-02-21 2014-08-13 信越化学工業株式会社 セルロースエーテルの製造方法
KR102549802B1 (ko) * 2014-12-11 2023-06-30 신에쓰 가가꾸 고교 가부시끼가이샤 알킬셀룰로오스의 제조 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB250617A (en) * 1925-04-10 1927-05-05 Soie De Chatillon A process for the maturation of alkali cellulose intended for the preparation of artificial silk by the viscose method
US2160107A (en) * 1937-12-21 1939-05-30 Du Pont Process for preparing cellulose derivatives
US2490097A (en) * 1947-03-15 1949-12-06 Stewart E Seaman Process for aging alkali cellulose
US2560391A (en) * 1947-03-24 1951-07-10 Lenzinger Zellwolle Und Papier Process for treating of cellulose material
US2783136A (en) * 1953-03-24 1957-02-26 Ind Rayon Corp Method and apparatus for treating alkali cellulose prior to aging
US3053829A (en) * 1957-11-20 1962-09-11 Olin Mathieson Continuous distribution of alkali cellulose
US3498971A (en) * 1967-02-13 1970-03-03 Allied Chem Process for the preparation of sodium carboxymethylcellulose
US4121922A (en) * 1976-06-21 1978-10-24 Fierro Esponja, S.A. Method and apparatus for measuring percentage reduction in a metal ore reduction reactor
US4076934A (en) * 1976-10-22 1978-02-28 Olin Corporation Method for controlling oxygen level during continuous xanthation of alkali cellulose
CA1116065A (en) * 1978-06-24 1982-01-12 Isao Isa Method and apparatus for automatically determining chlorine and chlorine dioxide concentrations
US4251503A (en) * 1978-09-19 1981-02-17 Erco Industries Limited Efficiency control system for chlorine dioxide plants
DE2929011A1 (de) * 1979-07-18 1981-02-12 Henkel Kgaa Herstellung von alkylcellulose nach kontinuierlicher verfahrensweise
US4284765A (en) * 1979-12-11 1981-08-18 Fiber Associates, Inc. Automatic aging analyzer using a motor having a constant torque

Also Published As

Publication number Publication date
FI832879A (fi) 1984-02-13
EP0103164A3 (en) 1985-05-15
JPS5956401A (ja) 1984-03-31
CA1196627A (en) 1985-11-12
AU1785183A (en) 1984-02-16
EP0103164A2 (en) 1984-03-21
IN160108B (fi) 1987-06-27
US4410693A (en) 1983-10-18

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: THE DOW CHEMICAL COMPANY