NL45057C - - Google Patents
Info
- Publication number
- NL45057C NL45057C NL77801A NL77801A NL45057C NL 45057 C NL45057 C NL 45057C NL 77801 A NL77801 A NL 77801A NL 77801 A NL77801 A NL 77801A NL 45057 C NL45057 C NL 45057C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| GB1320936A GB462871A (en) | 1936-05-09 | 1936-05-09 | Improvements in or relating to the refining of wood pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL45057C true NL45057C (xx) | 1939-02-17 |
Family
ID=10018815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77801A NL45057C (xx) | 1936-05-09 | 1936-05-14 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE415619A (xx) |
| CH (1) | CH190734A (xx) |
| FR (1) | FR806539A (xx) |
| GB (1) | GB462871A (xx) |
| NL (1) | NL45057C (xx) |
-
1936
- 1936-05-09 GB GB1320936A patent/GB462871A/en not_active Expired
- 1936-05-14 NL NL77801A patent/NL45057C/xx active
- 1936-05-16 FR FR806539D patent/FR806539A/fr not_active Expired
- 1936-05-19 BE BE415619D patent/BE415619A/xx unknown
- 1936-05-30 CH CH190734D patent/CH190734A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR806539A (fr) | 1936-12-18 |
| BE415619A (xx) | 1936-06-30 |
| CH190734A (de) | 1937-05-15 |
| GB462871A (en) | 1937-03-17 |