FI762641A7 - - Google Patents
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- Publication number
- FI762641A7 FI762641A7 FI762641A FI762641A FI762641A7 FI 762641 A7 FI762641 A7 FI 762641A7 FI 762641 A FI762641 A FI 762641A FI 762641 A FI762641 A FI 762641A FI 762641 A7 FI762641 A7 FI 762641A7
- Authority
- FI
- Finland
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3837775 | 1975-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI762641A7 true FI762641A7 (OSRAM) | 1977-03-19 |
Family
ID=10403089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI762641A FI762641A7 (OSRAM) | 1975-09-18 | 1976-09-15 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5240603A (OSRAM) |
| CA (1) | CA1094263A (OSRAM) |
| FI (1) | FI762641A7 (OSRAM) |
| FR (1) | FR2324793A1 (OSRAM) |
| NO (1) | NO763179L (OSRAM) |
| SE (1) | SE7610345L (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8300124D0 (sv) * | 1983-01-12 | 1983-01-12 | Billerud Uddeholm Ab | Behandling av vedflis |
| DE102007022751A1 (de) * | 2007-05-11 | 2008-11-13 | Voith Patent Gmbh | Ablauge eines Sulfitaufschlusses |
-
1976
- 1976-09-10 CA CA260,981A patent/CA1094263A/en not_active Expired
- 1976-09-15 FI FI762641A patent/FI762641A7/fi not_active Application Discontinuation
- 1976-09-16 FR FR7627828A patent/FR2324793A1/fr active Granted
- 1976-09-16 NO NO763179A patent/NO763179L/no unknown
- 1976-09-17 JP JP51111654A patent/JPS5240603A/ja active Pending
- 1976-09-17 SE SE7610345A patent/SE7610345L/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2324793B3 (OSRAM) | 1979-06-01 |
| CA1094263A (en) | 1981-01-27 |
| FR2324793A1 (fr) | 1977-04-15 |
| NO763179L (OSRAM) | 1977-03-21 |
| SE7610345L (sv) | 1977-03-19 |
| JPS5240603A (en) | 1977-03-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |
Owner name: PULP AND PAPER RESEARCH INSTITUTE OF CANADA |