NL71974C - - Google Patents
Info
- Publication number
- NL71974C NL71974C NL149954A NL149954A NL71974C NL 71974 C NL71974 C NL 71974C NL 149954 A NL149954 A NL 149954A NL 149954 A NL149954 A NL 149954A NL 71974 C NL71974 C NL 71974C
- 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
- D21C9/008—Prevention of corrosion or formation of deposits on pulp-treating equipment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR812390X | 1949-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71974C true NL71974C (de) | 1953-02-17 |
Family
ID=9265244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL149954A NL71974C (de) | 1949-01-31 | 1949-11-17 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE491884A (de) |
| DE (1) | DE812390C (de) |
| FR (1) | FR983482A (de) |
| NL (1) | NL71974C (de) |
-
1949
- 1949-01-31 FR FR983482D patent/FR983482A/fr not_active Expired
- 1949-10-28 BE BE491884A patent/BE491884A/fr unknown
- 1949-11-13 DE DES706A patent/DE812390C/de not_active Expired
- 1949-11-17 NL NL149954A patent/NL71974C/nl active
Also Published As
| Publication number | Publication date |
|---|---|
| BE491884A (fr) | 1949-11-14 |
| FR983482A (fr) | 1951-06-25 |
| DE812390C (de) | 1951-08-30 |