FR2063171B1 - - Google Patents

Info

Publication number
FR2063171B1
FR2063171B1 FR707034610A FR7034610A FR2063171B1 FR 2063171 B1 FR2063171 B1 FR 2063171B1 FR 707034610 A FR707034610 A FR 707034610A FR 7034610 A FR7034610 A FR 7034610A FR 2063171 B1 FR2063171 B1 FR 2063171B1
Authority
FR
France
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
Application number
FR707034610A
Other languages
French (fr)
Other versions
FR2063171A1 (en
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.)
BREV INDLS CHIMIQUES
Original Assignee
BREV INDLS CHIMIQUES
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 BREV INDLS CHIMIQUES filed Critical BREV INDLS CHIMIQUES
Publication of FR2063171A1 publication Critical patent/FR2063171A1/fr
Application granted granted Critical
Publication of FR2063171B1 publication Critical patent/FR2063171B1/fr
Expired 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
FR707034610A 1969-09-26 1970-09-24 Expired FR2063171B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH1452269A CH498244A (en) 1969-09-26 1969-09-26 Cellulose pulp manufacturing process
CH1819769A CH512635A (en) 1969-09-26 1969-12-05 Cellulose pulp manufacturing process
US7467170A 1970-09-23 1970-09-23
US341508A US3887426A (en) 1969-09-26 1973-03-15 Process for producing cellulose pulp by digestion with a diol or triol solvent and an aniline or phenol salt

Publications (2)

Publication Number Publication Date
FR2063171A1 FR2063171A1 (en) 1971-07-09
FR2063171B1 true FR2063171B1 (en) 1973-01-12

Family

ID=27429570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR707034610A Expired FR2063171B1 (en) 1969-09-26 1970-09-24

Country Status (9)

Country Link
US (1) US3887426A (en)
AT (1) AT300544B (en)
BE (1) BE756225A (en)
CA (1) CA977505A (en)
CH (2) CH498244A (en)
DE (1) DE2046944A1 (en)
FR (1) FR2063171B1 (en)
GB (1) GB1328674A (en)
LU (1) LU61717A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135967A (en) * 1969-09-26 1979-01-23 Societe Generale De Brevets Industriels Et Ohimiques Process for producing cellulose pulp by solid phase digestion
US4017642A (en) * 1975-07-28 1977-04-12 George O. Orth Process of making food for ruminant animals from wood and/or woody products
CA1079008A (en) * 1975-10-24 1980-06-10 Cp Associates Limited Solvent pulping process
US4594130A (en) * 1978-11-27 1986-06-10 Chang Pei Ching Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst
US4329200A (en) * 1980-06-02 1982-05-11 Board Of Reagents, University Of Washington Method and system for selective alkaline defiberization and delignification
DE69128059T2 (en) * 1990-08-17 1998-02-26 Alcell Tech Inc Process for continuous solvent digestion
JP7104507B2 (en) * 2017-11-08 2022-07-21 アースリサイクル株式会社 Cellulose separation method
US20210230375A1 (en) * 2018-11-07 2021-07-29 Earthrecycle Co., Ltd. Method for separating cellulose

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE370781A (en) * 1929-06-07
GB416549A (en) * 1933-03-07 1934-09-07 Henry Dreyfus Improvements in the manufacture of cellulose and lignocellulosic materials
US2772968A (en) * 1951-06-06 1956-12-04 Research Corp Process of pulping cellulosic materials with triethylene glycol
US2886483A (en) * 1953-05-27 1959-05-12 Rosenblads Patenter Ab Heating system for cellulose digestion plants
US3305432A (en) * 1963-07-15 1967-02-21 William R Matthews Making of cellulose pulp
US3255071A (en) * 1963-10-25 1966-06-07 Theodor N Kleinert Process for production of alkali cellulose in the absence of an aqueous liquid phase
US3428520A (en) * 1965-08-12 1969-02-18 Scott Paper Co Pulping process with lignin recovery
US3408268A (en) * 1966-10-27 1968-10-29 Jefferson Chem Co Inc Recovery of spent glycol by distillation in the presence of water

Also Published As

Publication number Publication date
DE2046944A1 (en) 1971-04-15
CA977505A (en) 1975-11-11
LU61717A1 (en) 1971-01-18
GB1328674A (en) 1973-08-30
CH512635A (en) 1971-09-15
US3887426A (en) 1975-06-03
FR2063171A1 (en) 1971-07-09
CH498244A (en) 1970-10-31
AT300544B (en) 1972-07-25
BE756225A (en) 1971-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse