NL21150C - - Google Patents
Info
- Publication number
- NL21150C NL21150C NL21150DA NL21150C NL 21150 C NL21150 C NL 21150C NL 21150D A NL21150D A NL 21150DA NL 21150 C NL21150 C NL 21150C
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE642176X | 1927-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL21150C true NL21150C (https=) |
Family
ID=6580206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL21150D NL21150C (https=) | 1927-04-19 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR642176A (https=) |
| NL (1) | NL21150C (https=) |
-
0
- NL NL21150D patent/NL21150C/xx active
-
1927
- 1927-10-11 FR FR642176D patent/FR642176A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR642176A (fr) | 1928-08-22 |