DE3177195D1 - Pulpen von lignocellulose mit waessrigem alkohol und einem alkali-erdmetallsalz-katalysator. - Google Patents
Pulpen von lignocellulose mit waessrigem alkohol und einem alkali-erdmetallsalz-katalysator.Info
- Publication number
- DE3177195D1 DE3177195D1 DE8181902305T DE3177195T DE3177195D1 DE 3177195 D1 DE3177195 D1 DE 3177195D1 DE 8181902305 T DE8181902305 T DE 8181902305T DE 3177195 T DE3177195 T DE 3177195T DE 3177195 D1 DE3177195 D1 DE 3177195D1
- Authority
- DE
- Germany
- Prior art keywords
- lignocellulose
- pulps
- earth metal
- metal salt
- alkali earth
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000359443A CA1150012A (fr) | 1980-07-25 | 1980-07-25 | Preparation de la pate de lignocellulose en milieu aqueux par catalyse aux solvants |
PCT/EP1981/000105 WO1982000483A1 (fr) | 1980-07-25 | 1981-07-24 | Production de pate de lignocellulose avec de l'alcool aqueux et un catalyseur d'un sel d'un metal alcalino-terreux |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3177195D1 true DE3177195D1 (de) | 1990-08-02 |
Family
ID=4117790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181902305T Expired - Fee Related DE3177195D1 (de) | 1980-07-25 | 1981-07-24 | Pulpen von lignocellulose mit waessrigem alkohol und einem alkali-erdmetallsalz-katalysator. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0056409B1 (fr) |
JP (1) | JPH0329917B2 (fr) |
BR (1) | BR8108706A (fr) |
CA (1) | CA1150012A (fr) |
DE (1) | DE3177195D1 (fr) |
FI (1) | FI71781C (fr) |
RU (1) | RU1830091C (fr) |
WO (1) | WO1982000483A1 (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AR227462A1 (es) * | 1981-03-26 | 1982-10-29 | Thermoform Bau Forschung | Procedimiento mejorado para la produccion de hidrolizados de carbohidratos a partir de material celulosico triturado |
US4699124A (en) * | 1985-06-28 | 1987-10-13 | Power Alcohol, Inc. | Process for converting cellulose to glucose and other saccharides |
RU2084574C1 (ru) * | 1992-04-06 | 1997-07-20 | А.Альстрем Корпорейшн | Способ получения целлюлозной массы |
JP2008525372A (ja) | 2004-12-23 | 2008-07-17 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | ラクトン、或いはγ−カルボニル基を含有する、カルボン酸又はエステルの水素化法 |
US20070034345A1 (en) * | 2005-06-15 | 2007-02-15 | Leonardus Petrus | Process for organosolv pulping and use of a gamma lactone in a solvent for organosolv pulping |
JP5136984B2 (ja) * | 2007-04-04 | 2013-02-06 | 独立行政法人産業技術総合研究所 | 糖の製造方法 |
US8580978B2 (en) | 2009-08-07 | 2013-11-12 | Shell Oil Company | Process for preparing a hydroxyacid or hydroxyester |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB416549A (en) * | 1933-03-07 | 1934-09-07 | Henry Dreyfus | Improvements in the manufacture of cellulose and lignocellulosic materials |
GB576785A (en) * | 1942-03-11 | 1946-04-18 | Henry Dreyfus | Improvements in or relating to the manufacture of cellulose |
CH386823A (de) * | 1959-02-06 | 1965-01-15 | Ceskoslovenska Akademie Ved | Verfahren zur Gewinnung von nativem Lignin und Hemizellulose |
CA1131415A (fr) * | 1978-11-27 | 1982-09-14 | Bau- Und Forschungsgesellschaft Thermoform A.G. | Transformation en pate de la lignocellulose avec un melange aqueux d'un catalyseur et du methanol |
-
1980
- 1980-07-25 CA CA000359443A patent/CA1150012A/fr not_active Expired
-
1981
- 1981-07-24 WO PCT/EP1981/000105 patent/WO1982000483A1/fr active IP Right Grant
- 1981-07-24 DE DE8181902305T patent/DE3177195D1/de not_active Expired - Fee Related
- 1981-07-24 EP EP19810902305 patent/EP0056409B1/fr not_active Expired
- 1981-07-24 JP JP50258981A patent/JPH0329917B2/ja not_active Expired
- 1981-07-24 BR BR8108706A patent/BR8108706A/pt unknown
-
1982
- 1982-03-17 FI FI820927A patent/FI71781C/fi not_active IP Right Cessation
- 1982-03-24 RU SU823411783A patent/RU1830091C/ru active
Also Published As
Publication number | Publication date |
---|---|
EP0056409A1 (fr) | 1982-07-28 |
JPH0329917B2 (fr) | 1991-04-25 |
CA1150012A (fr) | 1983-07-19 |
FI71781B (fi) | 1986-10-31 |
WO1982000483A1 (fr) | 1982-02-18 |
FI71781C (fi) | 1987-02-09 |
BR8108706A (pt) | 1982-06-01 |
FI820927L (fi) | 1982-03-17 |
JPS57501239A (fr) | 1982-07-15 |
RU1830091C (ru) | 1993-07-23 |
EP0056409B1 (fr) | 1990-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: HANSMANN, A., DIPL.-WIRTSCH.-ING. VOGESER, W., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN BOECKER, J., DIPL.-ING. DR.-ING., PAT.- U. RECHTSANW., 6000 FRANKFURT ALBER, N., DIPL.-ING. UNIV. DIPL.-WIRTSCH.-ING.UNIV, PAT.-ANW., 8000 MUENCHEN |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |