FI48486B - - Google Patents
Info
- Publication number
- FI48486B FI48486B FI00185/73A FI18573A FI48486B FI 48486 B FI48486 B FI 48486B FI 00185/73 A FI00185/73 A FI 00185/73A FI 18573 A FI18573 A FI 18573A FI 48486 B FI48486 B FI 48486B
- Authority
- FI
- Finland
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI730185A FI48486C (fi) | 1973-01-24 | 1973-01-24 | Menetelmä kuitumassan valkaisemiseksi. |
| SE7400744A SE412423B (sv) | 1973-01-24 | 1974-01-21 | Foerfarande foer blekning av fibermassa med en syreinnehallande gas |
| JP49010876A JPS5140164B2 (fi) | 1973-01-24 | 1974-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI730185A FI48486C (fi) | 1973-01-24 | 1973-01-24 | Menetelmä kuitumassan valkaisemiseksi. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI48486B true FI48486B (fi) | 1974-07-01 |
| FI48486C FI48486C (fi) | 1977-07-29 |
Family
ID=8503733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI730185A FI48486C (fi) | 1973-01-24 | 1973-01-24 | Menetelmä kuitumassan valkaisemiseksi. |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5140164B2 (fi) |
| FI (1) | FI48486C (fi) |
| SE (1) | SE412423B (fi) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1249904A (en) * | 1984-07-27 | 1989-02-14 | Lawrence A. Carlsmith | Oxygen alkali extraction of cellulosic pulp |
-
1973
- 1973-01-24 FI FI730185A patent/FI48486C/fi active
-
1974
- 1974-01-21 SE SE7400744A patent/SE412423B/xx not_active IP Right Cessation
- 1974-01-24 JP JP49010876A patent/JPS5140164B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FI48486C (fi) | 1977-07-29 |
| JPS5140164B2 (fi) | 1976-11-01 |
| JPS49101603A (fi) | 1974-09-26 |
| SE412423B (sv) | 1980-03-03 |