BE447209A - - Google Patents
Info
- Publication number
- BE447209A BE447209A BE447209DA BE447209A BE 447209 A BE447209 A BE 447209A BE 447209D A BE447209D A BE 447209DA BE 447209 A BE447209 A BE 447209A
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE230918X | 1941-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE447209A true BE447209A (fr) |
Family
ID=5872930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE447209D BE447209A (fr) | 1941-12-22 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE447209A (fr) |
| CH (1) | CH230918A (fr) |
| FR (1) | FR886624A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL87584C (fr) * | 1952-02-15 |
-
0
- BE BE447209D patent/BE447209A/xx unknown
-
1942
- 1942-09-11 CH CH230918D patent/CH230918A/de unknown
- 1942-10-08 FR FR886624D patent/FR886624A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR886624A (fr) | 1943-10-20 |
| CH230918A (de) | 1944-02-15 |