CA1023508A - Methode de fabrication de pate de cellulose - Google Patents
Methode de fabrication de pate de celluloseInfo
- Publication number
- CA1023508A CA1023508A CA209,344A CA209344A CA1023508A CA 1023508 A CA1023508 A CA 1023508A CA 209344 A CA209344 A CA 209344A CA 1023508 A CA1023508 A CA 1023508A
- Authority
- CA
- Canada
- Prior art keywords
- cellulosic pulp
- producing cellulosic
- producing
- pulp
- cellulosic
- 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
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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO3584/73A NO135374C (fr) | 1973-09-13 | 1973-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1023508A true CA1023508A (fr) | 1978-01-03 |
Family
ID=19879730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA209,344A Expired CA1023508A (fr) | 1973-09-13 | 1974-09-13 | Methode de fabrication de pate de cellulose |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA1023508A (fr) |
FI (1) | FI55876C (fr) |
NO (1) | NO135374C (fr) |
SE (1) | SE411134B (fr) |
-
1973
- 1973-09-13 NO NO3584/73A patent/NO135374C/no unknown
-
1974
- 1974-09-11 FI FI2662/74A patent/FI55876C/fi active
- 1974-09-12 SE SE7411485A patent/SE411134B/xx unknown
- 1974-09-13 CA CA209,344A patent/CA1023508A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE411134B (sv) | 1979-12-03 |
FI55876C (fi) | 1979-10-10 |
FI266274A (fr) | 1975-03-14 |
NO135374C (fr) | 1977-03-30 |
NO135374B (fr) | 1976-12-20 |
FI55876B (fi) | 1979-06-29 |
SE7411485L (fr) | 1975-03-14 |
NO358473L (fr) | 1975-04-07 |
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