FI45356B - - Google Patents
Info
- Publication number
- FI45356B FI45356B FI33065A FI33065A FI45356B FI 45356 B FI45356 B FI 45356B FI 33065 A FI33065 A FI 33065A FI 33065 A FI33065 A FI 33065A FI 45356 B FI45356 B FI 45356B
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR963419A FR1393492A (fr) | 1964-02-11 | 1964-02-11 | Perfectionnement au blanchiment des pâtes à papier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI45356B true FI45356B (ko) | 1972-01-31 |
| FI45356C FI45356C (fi) | 1972-05-10 |
Family
ID=8822925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI33065A FI45356C (fi) | 1964-02-11 | 1965-02-11 | Paperimassan valkaisumenetelmä. |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE659474A (ko) |
| DE (1) | DE1546242A1 (ko) |
| FI (1) | FI45356C (ko) |
| FR (1) | FR1393492A (ko) |
| GB (1) | GB1091124A (ko) |
| NL (1) | NL6501698A (ko) |
| NO (1) | NO117954B (ko) |
| SE (1) | SE312971B (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1181139B (it) * | 1984-11-09 | 1987-09-23 | Sicem Saga Spa | Apparecchiatura e procedimento per la produzione di porte di legno semimeccaniche grezze o sbiancate con ciclo continuo di impregnazione |
| DE10320618A1 (de) * | 2003-05-08 | 2004-11-18 | Papierfabrik Albbruck Gmbh & Co. Kg | Verfahren zum Bleichen von Faserstoffen |
-
1964
- 1964-02-11 FR FR963419A patent/FR1393492A/fr not_active Expired
-
1965
- 1965-02-03 NO NO15662265A patent/NO117954B/no unknown
- 1965-02-09 BE BE659474D patent/BE659474A/xx unknown
- 1965-02-10 SE SE173765A patent/SE312971B/xx unknown
- 1965-02-10 DE DE19651546242 patent/DE1546242A1/de active Pending
- 1965-02-11 NL NL6501698A patent/NL6501698A/xx unknown
- 1965-02-11 GB GB601565A patent/GB1091124A/en not_active Expired
- 1965-02-11 FI FI33065A patent/FI45356C/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| GB1091124A (en) | 1967-11-15 |
| NL6501698A (ko) | 1965-08-12 |
| SE312971B (ko) | 1969-07-28 |
| FR1393492A (fr) | 1965-03-26 |
| FI45356C (fi) | 1972-05-10 |
| NO117954B (ko) | 1969-10-13 |
| DE1546242A1 (de) | 1970-04-23 |
| BE659474A (ko) | 1965-08-09 |