NL6931C - - Google Patents
Info
- Publication number
- NL6931C NL6931C NL6931DA NL6931C NL 6931 C NL6931 C NL 6931C NL 6931D A NL6931D A NL 6931DA NL 6931 C NL6931 C NL 6931C
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE519796X | 1919-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL6931C true NL6931C (de) |
Family
ID=6550674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL6931D NL6931C (de) | 1919-04-04 |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT87010B (de) |
| CH (1) | CH90312A (de) |
| DE (1) | DE385225C (de) |
| FR (1) | FR519796A (de) |
| GB (1) | GB147417A (de) |
| NL (1) | NL6931C (de) |
-
0
- NL NL6931D patent/NL6931C/xx active
-
1919
- 1919-04-05 DE DEZ10866D patent/DE385225C/de not_active Expired
-
1920
- 1920-06-28 AT AT87010D patent/AT87010B/de active
- 1920-06-29 CH CH90312D patent/CH90312A/de unknown
- 1920-07-07 GB GB19316/20A patent/GB147417A/en not_active Expired
- 1920-07-08 FR FR519796A patent/FR519796A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB147417A (en) | 1921-03-24 |
| FR519796A (fr) | 1921-06-15 |
| AT87010B (de) | 1922-01-25 |
| CH90312A (de) | 1921-08-16 |
| DE385225C (de) | 1923-11-20 |