DE3177195D1 - PULPS OF LIGNOCELLULOSE WITH AQUEOUS ALCOHOL AND AN ALKALI EARTH METAL SALT CATALYST. - Google Patents

PULPS OF LIGNOCELLULOSE WITH AQUEOUS ALCOHOL AND AN ALKALI EARTH METAL SALT CATALYST.

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
Application number
DE8181902305T
Other languages
German (de)
Inventor
Laszlo Paszner
Pei-Ching Chang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THERMOFORM BAU FORSCHUNG
Original Assignee
THERMOFORM BAU FORSCHUNG
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 THERMOFORM BAU FORSCHUNG filed Critical THERMOFORM BAU FORSCHUNG
Application granted granted Critical
Publication of DE3177195D1 publication Critical patent/DE3177195D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE8181902305T 1980-07-25 1981-07-24 PULPS OF LIGNOCELLULOSE WITH AQUEOUS ALCOHOL AND AN ALKALI EARTH METAL SALT CATALYST. Expired - Fee Related DE3177195D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000359443A CA1150012A (en) 1980-07-25 1980-07-25 Aqueous catalysed solvent pulping of lignocellulose
PCT/EP1981/000105 WO1982000483A1 (en) 1980-07-25 1981-07-24 Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst

Publications (1)

Publication Number Publication Date
DE3177195D1 true DE3177195D1 (en) 1990-08-02

Family

ID=4117790

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181902305T Expired - Fee Related DE3177195D1 (en) 1980-07-25 1981-07-24 PULPS OF LIGNOCELLULOSE WITH AQUEOUS ALCOHOL AND AN ALKALI EARTH METAL SALT CATALYST.

Country Status (8)

Country Link
EP (1) EP0056409B1 (en)
JP (1) JPH0329917B2 (en)
BR (1) BR8108706A (en)
CA (1) CA1150012A (en)
DE (1) DE3177195D1 (en)
FI (1) FI71781C (en)
RU (1) RU1830091C (en)
WO (1) WO1982000483A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR227462A1 (en) * 1981-03-26 1982-10-29 Thermoform Bau Forschung IMPROVED PROCEDURE FOR THE PRODUCTION OF CARBOHYDRATE HYDROLYSATES FROM CRUSHED CELLULOSIC MATERIAL
US4699124A (en) * 1985-06-28 1987-10-13 Power Alcohol, Inc. Process for converting cellulose to glucose and other saccharides
EP0635080B1 (en) * 1992-04-06 1997-03-12 A. Ahlstrom Corporation Method of producing pulp
CA2591796C (en) 2004-12-23 2014-02-18 Shell Internationale Research Maatschappij B.V. A process for the hydrogenation of a lactone or of a carboxylic acid or an ester having a gamma-carbonyl group
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 (en) * 2007-04-04 2013-02-06 独立行政法人産業技術総合研究所 Method for producing sugar
US8580978B2 (en) 2009-08-07 2013-11-12 Shell Oil Company Process for preparing a hydroxyacid or hydroxyester

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB416558A (en) * 1933-03-07 1934-09-07 Henry Dreyfus Improvements in the manufacture of cellulose from ligno-cellulosic materials
GB576785A (en) * 1942-03-11 1946-04-18 Henry Dreyfus Improvements in or relating to the manufacture of cellulose
CH386823A (en) * 1959-02-06 1965-01-15 Ceskoslovenska Akademie Ved Process for the production of native lignin and hemicellulose
CA1131415A (en) * 1978-11-27 1982-09-14 Bau- Und Forschungsgesellschaft Thermoform A.G. Pulping of lignocellulose with aqueous methanol/ catalyst mixture

Also Published As

Publication number Publication date
BR8108706A (en) 1982-06-01
JPS57501239A (en) 1982-07-15
RU1830091C (en) 1993-07-23
FI71781B (en) 1986-10-31
WO1982000483A1 (en) 1982-02-18
FI820927L (en) 1982-03-17
JPH0329917B2 (en) 1991-04-25
EP0056409A1 (en) 1982-07-28
FI71781C (en) 1987-02-09
CA1150012A (en) 1983-07-19
EP0056409B1 (en) 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