AT384229B - METHOD FOR PRODUCING VISCOSES - Google Patents
METHOD FOR PRODUCING VISCOSESInfo
- Publication number
- AT384229B AT384229B AT645879A AT645879A AT384229B AT 384229 B AT384229 B AT 384229B AT 645879 A AT645879 A AT 645879A AT 645879 A AT645879 A AT 645879A AT 384229 B AT384229 B AT 384229B
- Authority
- AT
- Austria
- Prior art keywords
- viscoses
- producing
- producing viscoses
- Prior art date
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
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DD20870878A DD140747A1 (en) | 1978-10-27 | 1978-10-27 | PROCESS FOR THE PRODUCTION OF VISCOSES |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA645879A ATA645879A (en) | 1987-03-15 |
AT384229B true AT384229B (en) | 1987-10-12 |
Family
ID=5515033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT645879A AT384229B (en) | 1978-10-27 | 1979-10-03 | METHOD FOR PRODUCING VISCOSES |
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)
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 |
CA2441055C (en) * | 2001-03-15 | 2010-07-13 | Sappi Limited | Pulp treatment and process |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DD75636A (en) * |
-
1978
- 1978-10-27 DD DD20870878A patent/DD140747A1/en not_active IP Right Cessation
-
1979
- 1979-10-03 AT AT645879A patent/AT384229B/en not_active IP Right Cessation
- 1979-10-13 DE DE19792941624 patent/DE2941624A1/en active Granted
- 1979-10-23 YU YU257379A patent/YU257379A/en unknown
- 1979-10-25 FI FI793344A patent/FI65265C/en not_active IP Right Cessation
- 1979-10-26 SE SE7908897A patent/SE7908897L/en unknown
- 1979-10-26 RO RO7999061A patent/RO77528A/en unknown
- 1979-10-26 PL PL21923779A patent/PL115882B2/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL115882B2 (en) | 1981-05-30 |
FI65265C (en) | 1984-04-10 |
PL219237A2 (en) | 1980-09-22 |
RO77528A (en) | 1982-09-09 |
FI65265B (en) | 1983-12-30 |
DD140747A1 (en) | 1980-03-26 |
SE7908897L (en) | 1980-04-28 |
FI793344A (en) | 1980-04-28 |
DE2941624A1 (en) | 1980-05-08 |
YU257379A (en) | 1982-08-31 |
DE2941624C2 (en) | 1988-03-10 |
ATA645879A (en) | 1987-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EIH | Change in the person of patent owner | ||
ELJ | Ceased due to non-payment of the annual fee | ||
ELV | Ceased due to renunciation |