BE431860A - - Google Patents
Info
- Publication number
- BE431860A BE431860A BE431860DA BE431860A BE 431860 A BE431860 A BE 431860A BE 431860D A BE431860D A BE 431860DA BE 431860 A BE431860 A BE 431860A
- Authority
- BE
- Belgium
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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE514191X | 1937-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE431860A true BE431860A (en:Method) |
Family
ID=6548604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE431860D BE431860A (en:Method) | 1937-12-27 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE431860A (en:Method) |
| FR (1) | FR848039A (en:Method) |
| GB (1) | GB514191A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2675311A (en) * | 1948-08-09 | 1954-04-13 | John W Natwick | Paper pulp process and apparatus |
| US2849315A (en) * | 1953-05-07 | 1958-08-26 | Haglund Gustaf | Digestion of wood |
-
0
- BE BE431860D patent/BE431860A/xx unknown
-
1938
- 1938-12-23 GB GB37475/38A patent/GB514191A/en not_active Expired
- 1938-12-27 FR FR848039D patent/FR848039A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB514191A (en) | 1939-11-01 |
| FR848039A (fr) | 1939-10-20 |