CH498244A - Cellulose pulp manufacturing process - Google Patents
Cellulose pulp manufacturing processInfo
- Publication number
- CH498244A CH498244A CH1452269A CH1452269A CH498244A CH 498244 A CH498244 A CH 498244A CH 1452269 A CH1452269 A CH 1452269A CH 1452269 A CH1452269 A CH 1452269A CH 498244 A CH498244 A CH 498244A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacturing process
- cellulose pulp
- pulp manufacturing
- cellulose
- pulp
- Prior art date
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
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE756225D BE756225A (en) | 1969-09-26 | CELLULOSIC DOUGH MANUFACTURING PROCESS | |
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 |
ES383485A ES383485A1 (en) | 1969-09-26 | 1970-09-09 | Procedure for the manufacture of cellulose pasta. (Machine-translation by Google Translate, not legally binding) |
OA54037A OA03488A (en) | 1969-09-26 | 1970-09-16 | Process for manufacturing cellulosic pulp. |
AT840870A AT300544B (en) | 1969-09-26 | 1970-09-17 | Process for the production of cellulose pulp |
LU61717D LU61717A1 (en) | 1969-09-26 | 1970-09-18 | |
ZA706470A ZA706470B (en) | 1969-09-26 | 1970-09-22 | Process for manufacturing cellulose pulp |
CA093,735A CA977505A (en) | 1969-09-26 | 1970-09-22 | Process for producing cellulose pulp |
IE1231/70A IE34548B1 (en) | 1969-09-26 | 1970-09-23 | Manufacture of cellulose pulp |
NO360870A NO133766C (en) | 1969-09-26 | 1970-09-23 | |
DE19702046944 DE2046944A1 (en) | 1969-09-26 | 1970-09-23 | Process for the production of cellulose pulp |
FR707034610A FR2063171B1 (en) | 1969-09-26 | 1970-09-24 | |
GB4588170A GB1328674A (en) | 1969-09-26 | 1970-09-25 | Manufacture of cellulose pulp |
SE7013068A SE387382B (en) | 1969-09-26 | 1970-09-25 | PROCEDURE FOR THE PREPARATION OF CELLULOSA MASS BY INGREDIATION AT 100? 72OC IN AN ALKALI OR EARTH ALKALIM METAL SALT SOLUTION MAINLY IN AN ALIFATIC DIOL OR TRIOL |
JP45083760A JPS4935081B1 (en) | 1969-09-26 | 1970-09-25 | |
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 |
SE7504423A SE7504423L (en) | 1969-09-26 | 1975-04-16 | |
DK436875A DK436875A (en) | 1969-09-26 | 1975-09-29 | METHOD OF PREPARING CELLULOSIS |
FI760323A FI760323A (en) | 1969-09-26 | 1976-02-11 | |
US05/772,954 US4135967A (en) | 1969-09-26 | 1977-02-28 | Process for producing cellulose pulp by solid phase digestion |
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 (1)
Publication Number | Publication Date |
---|---|
CH498244A true CH498244A (en) | 1970-10-31 |
Family
ID=27429570
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1819769A CH512635A (en) | 1969-09-26 | 1969-12-05 | Cellulose pulp manufacturing process |
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)
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 |
ATE159778T1 (en) * | 1990-08-17 | 1997-11-15 | Alcell Tech Inc | METHOD FOR CONTINUOUS SOLVENT DEPOSITION |
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)
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 |
-
0
- BE BE756225D patent/BE756225A/en unknown
-
1969
- 1969-09-26 CH CH1452269A patent/CH498244A/en not_active IP Right Cessation
- 1969-12-05 CH CH1819769A patent/CH512635A/en unknown
-
1970
- 1970-09-17 AT AT840870A patent/AT300544B/en not_active IP Right Cessation
- 1970-09-18 LU LU61717D patent/LU61717A1/xx unknown
- 1970-09-22 CA CA093,735A patent/CA977505A/en not_active Expired
- 1970-09-23 DE DE19702046944 patent/DE2046944A1/en active Pending
- 1970-09-24 FR FR707034610A patent/FR2063171B1/fr not_active Expired
- 1970-09-25 GB GB4588170A patent/GB1328674A/en not_active Expired
-
1973
- 1973-03-15 US US341508A patent/US3887426A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BE756225A (en) | 1971-03-01 |
DE2046944A1 (en) | 1971-04-15 |
GB1328674A (en) | 1973-08-30 |
FR2063171B1 (en) | 1973-01-12 |
AT300544B (en) | 1972-07-25 |
US3887426A (en) | 1975-06-03 |
FR2063171A1 (en) | 1971-07-09 |
CH512635A (en) | 1971-09-15 |
CA977505A (en) | 1975-11-11 |
LU61717A1 (en) | 1971-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |