NO135374C - - Google Patents
Info
- Publication number
- NO135374C NO135374C NO3584/73A NO358473A NO135374C NO 135374 C NO135374 C NO 135374C NO 3584/73 A NO3584/73 A NO 3584/73A NO 358473 A NO358473 A NO 358473A NO 135374 C NO135374 C NO 135374C
- Authority
- NO
- Norway
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
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO3584/73A NO135374C (en) | 1973-09-13 | 1973-09-13 | |
| FI2662/74A FI55876C (en) | 1973-09-13 | 1974-09-11 | FOERFARANDE FOER FRAMSTAELLNING AV CELLULOSAMASSA |
| SE7411485A SE411134B (en) | 1973-09-13 | 1974-09-12 | PROCEDURE FOR THE PREPARATION OF CELLULOSA MASS |
| CA209,344A CA1023508A (en) | 1973-09-13 | 1974-09-13 | Method of producing cellulosic pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO3584/73A NO135374C (en) | 1973-09-13 | 1973-09-13 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO358473L NO358473L (en) | 1975-04-07 |
| NO135374B NO135374B (en) | 1976-12-20 |
| NO135374C true NO135374C (en) | 1977-03-30 |
Family
ID=19879730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO3584/73A NO135374C (en) | 1973-09-13 | 1973-09-13 |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA1023508A (en) |
| FI (1) | FI55876C (en) |
| NO (1) | NO135374C (en) |
| SE (1) | SE411134B (en) |
-
1973
- 1973-09-13 NO NO3584/73A patent/NO135374C/no unknown
-
1974
- 1974-09-11 FI FI2662/74A patent/FI55876C/en active
- 1974-09-12 SE SE7411485A patent/SE411134B/en unknown
- 1974-09-13 CA CA209,344A patent/CA1023508A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI55876C (en) | 1979-10-10 |
| NO358473L (en) | 1975-04-07 |
| FI266274A (en) | 1975-03-14 |
| CA1023508A (en) | 1978-01-03 |
| SE7411485L (en) | 1975-03-14 |
| SE411134B (en) | 1979-12-03 |
| NO135374B (en) | 1976-12-20 |
| FI55876B (en) | 1979-06-29 |