DD98549A1 - - Google Patents
Info
- Publication number
- DD98549A1 DD98549A1 DD14903370A DD14903370A DD98549A1 DD 98549 A1 DD98549 A1 DD 98549A1 DD 14903370 A DD14903370 A DD 14903370A DD 14903370 A DD14903370 A DD 14903370A DD 98549 A1 DD98549 A1 DD 98549A1
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14903370A DD98549A1 (US20110009641A1-20110113-C00185.png) | 1970-07-23 | 1970-07-23 | |
| SU1683165A SU437310A3 (ru) | 1970-07-23 | 1971-07-19 | Способ получения целлюлозы |
| FI209471A FI54508C (fi) | 1970-07-23 | 1971-07-22 | Foerfarande foer att oeka utbytet av cellulosa |
| SE944271A SE381896B (sv) | 1970-07-23 | 1971-07-22 | Forfarande vid alkalisk cellulosauppslutning vid vilket kolhydratfraktionen stabiliseras genom tillsats av lempliga kemikalier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD14903370A DD98549A1 (US20110009641A1-20110113-C00185.png) | 1970-07-23 | 1970-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD98549A1 true DD98549A1 (US20110009641A1-20110113-C00185.png) | 1973-06-20 |
Family
ID=5482760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD14903370A DD98549A1 (US20110009641A1-20110113-C00185.png) | 1970-07-23 | 1970-07-23 |
Country Status (4)
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5143403A (en) * | 1974-10-09 | 1976-04-14 | Honshu Paper Co Ltd | Arukariparupuno seizohoho |
| JPS51112903A (en) * | 1975-03-26 | 1976-10-05 | Honshu Paper Co Ltd | Process for digesting lignocellulose material with sulphites |
| DE2640027A1 (de) * | 1975-09-05 | 1977-03-10 | Canadian Ind | Verfahren zum entholzen von lignocellulosematerial |
| JPS5374102A (en) * | 1976-12-14 | 1978-07-01 | Canadian Ind | Lignin removing method of lignocellulose material |
| US4134787A (en) * | 1978-05-26 | 1979-01-16 | International Paper Company | Delignification of lignocellulosic material with an alkaline liquor containing a cyclic amino compound |
| US4213821A (en) * | 1976-06-02 | 1980-07-22 | Australian Paper Manufacturers Limited | Pulping with quinones and hydroquinones |
-
1970
- 1970-07-23 DD DD14903370A patent/DD98549A1/xx unknown
-
1971
- 1971-07-19 SU SU1683165A patent/SU437310A3/ru active
- 1971-07-22 SE SE944271A patent/SE381896B/xx unknown
- 1971-07-22 FI FI209471A patent/FI54508C/fi active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5143403A (en) * | 1974-10-09 | 1976-04-14 | Honshu Paper Co Ltd | Arukariparupuno seizohoho |
| JPS551398B2 (US20110009641A1-20110113-C00185.png) * | 1974-10-09 | 1980-01-14 | ||
| JPS51112903A (en) * | 1975-03-26 | 1976-10-05 | Honshu Paper Co Ltd | Process for digesting lignocellulose material with sulphites |
| JPS5313002B2 (US20110009641A1-20110113-C00185.png) * | 1975-03-26 | 1978-05-06 | ||
| DE2640027A1 (de) * | 1975-09-05 | 1977-03-10 | Canadian Ind | Verfahren zum entholzen von lignocellulosematerial |
| US4213821A (en) * | 1976-06-02 | 1980-07-22 | Australian Paper Manufacturers Limited | Pulping with quinones and hydroquinones |
| USRE32203E (en) * | 1976-06-02 | 1986-07-15 | Australian Paper Manufacturers Limited | Pulping with quinones and hydroquinones |
| JPS5374102A (en) * | 1976-12-14 | 1978-07-01 | Canadian Ind | Lignin removing method of lignocellulose material |
| JPS5345402B2 (US20110009641A1-20110113-C00185.png) * | 1976-12-14 | 1978-12-06 | ||
| US4134787A (en) * | 1978-05-26 | 1979-01-16 | International Paper Company | Delignification of lignocellulosic material with an alkaline liquor containing a cyclic amino compound |
Also Published As
| Publication number | Publication date |
|---|---|
| SE381896B (sv) | 1975-12-22 |
| SU437310A3 (ru) | 1974-07-25 |
| FI54508B (fi) | 1978-08-31 |
| FI54508C (fi) | 1980-03-14 |
