FI793344A - FOER FARING FRAMSTAELLNING AV VISKOSER - Google Patents

FOER FARING FRAMSTAELLNING AV VISKOSER

Info

Publication number
FI793344A
FI793344A FI793344A FI793344A FI793344A FI 793344 A FI793344 A FI 793344A FI 793344 A FI793344 A FI 793344A FI 793344 A FI793344 A FI 793344A FI 793344 A FI793344 A FI 793344A
Authority
FI
Finland
Prior art keywords
viskoser
foer faring
faring framstaellning
framstaellning
foer
Prior art date
Application number
FI793344A
Other languages
Finnish (fi)
Other versions
FI65265B (en
FI65265C (en
Inventor
Klaus Fischer
Martin Wilke
Wilfried Goldberg
Horst Sendner
Original Assignee
Wolfen Filmfab Veb
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 Wolfen Filmfab Veb filed Critical Wolfen Filmfab Veb
Publication of FI793344A publication Critical patent/FI793344A/en
Publication of FI65265B publication Critical patent/FI65265B/en
Application granted granted Critical
Publication of FI65265C publication Critical patent/FI65265C/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08Alkali 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)
  • Paper (AREA)
FI793344A 1978-10-27 1979-10-25 FOERFARANDE FOER FRAMSTAELLNING AV VISKOS FI65265C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD20870878 1978-10-27
DD20870878A DD140747A1 (en) 1978-10-27 1978-10-27 PROCESS FOR THE PRODUCTION OF VISCOSES

Publications (3)

Publication Number Publication Date
FI793344A true FI793344A (en) 1980-04-28
FI65265B FI65265B (en) 1983-12-30
FI65265C FI65265C (en) 1984-04-10

Family

ID=5515033

Family Applications (1)

Application Number Title Priority Date Filing Date
FI793344A FI65265C (en) 1978-10-27 1979-10-25 FOERFARANDE FOER FRAMSTAELLNING AV VISKOS

Country Status (8)

Country Link
AT (1) AT384229B (en)
DD (1) DD140747A1 (en)
DE (1) DE2941624A1 (en)
FI (1) FI65265C (en)
PL (1) PL115882B2 (en)
RO (1) RO77528A (en)
SE (1) SE7908897L (en)
YU (1) YU257379A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409384A (en) 1981-11-12 1983-10-11 E. I. Du Pont De Nemours And Company Viscose preparation using low concentration caustic
AT402739B (en) * 1995-09-19 1997-08-25 Chemiefaser Lenzing Ag METHOD FOR PRODUCING A CELLULOSIC MOLDED BODY
GB9605073D0 (en) * 1996-03-11 1996-05-08 Hoechst Ag Manufacture of vicose and articles therefrom
GB9620585D0 (en) * 1996-10-03 1996-11-20 Courtaulds Fibres Holdings Ltd Improvements in the manufacture of extruded articles
DE19707387C1 (en) 1997-02-25 1998-04-02 Hoechst Ag Production of viscose using one source of alkali for alkalisation
SE511842C2 (en) * 1997-04-18 1999-12-06 Akzo Nobel Surface Chem Ways to prepare a viscous solution
GB9720213D0 (en) 1997-09-23 1997-11-26 Kelheim Faserwerk Gmbh Manufacture of viscose and articles therefrom
ES2386772T3 (en) 2001-03-15 2012-08-30 Sappi Limited Paper pulp treatment and procedure
GB2493490A (en) * 2011-05-20 2013-02-13 Innovia Films Ltd Process for dissolving and casting non-dissolving cellulose
GB2493488A (en) * 2011-05-20 2013-02-13 Innovia Films Ltd Process for dissolving and casting non-dissolving cellulose
NO2753575T3 (en) 2014-02-03 2018-07-28
DE102019134819A1 (en) 2019-12-17 2021-06-17 SAPPI Southern Africa Limited Production of an alkali cellulose with an improved reactivity for derivatization reactions and production of a chemical pulp with an improved reactivity for derivatization reactions

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD75636A (en) *

Also Published As

Publication number Publication date
YU257379A (en) 1982-08-31
ATA645879A (en) 1987-03-15
RO77528A (en) 1982-09-09
DE2941624A1 (en) 1980-05-08
DE2941624C2 (en) 1988-03-10
DD140747A1 (en) 1980-03-26
SE7908897L (en) 1980-04-28
AT384229B (en) 1987-10-12
PL115882B2 (en) 1981-05-30
FI65265B (en) 1983-12-30
PL219237A2 (en) 1980-09-22
FI65265C (en) 1984-04-10

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: VEB FILMFABRIK WOLFEN