DD98551A5 - - Google Patents
Info
- Publication number
- DD98551A5 DD98551A5 DD16259672A DD16259672A DD98551A5 DD 98551 A5 DD98551 A5 DD 98551A5 DD 16259672 A DD16259672 A DD 16259672A DD 16259672 A DD16259672 A DD 16259672A DD 98551 A5 DD98551 A5 DD 98551A5
- Authority
- DD
- German Democratic Republic
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE06408/71A SE352675B (https=) | 1971-05-18 | 1971-05-18 | |
| SE07503/71A SE359873B (https=) | 1971-06-10 | 1971-06-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD98551A5 true DD98551A5 (https=) | 1973-06-20 |
Family
ID=26654704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16259672A DD98551A5 (https=) | 1971-05-18 | 1972-04-24 |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA960409A (https=) |
| DD (1) | DD98551A5 (https=) |
| DE (1) | DE2216587A1 (https=) |
-
1972
- 1972-04-06 DE DE19722216587 patent/DE2216587A1/de active Pending
- 1972-04-24 DD DD16259672A patent/DD98551A5/xx unknown
- 1972-05-17 CA CA142,396A patent/CA960409A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2216587A1 (de) | 1972-11-30 |
| CA960409A (en) | 1975-01-07 |