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 (fi) | 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 (fi) | 1970-07-23 | 1970-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
DD98549A1 true DD98549A1 (fi) | 1973-06-20 |
Family
ID=5482760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD14903370A DD98549A1 (fi) | 1970-07-23 | 1970-07-23 |
Country Status (4)
Country | Link |
---|---|
DD (1) | DD98549A1 (fi) |
FI (1) | FI54508C (fi) |
SE (1) | SE381896B (fi) |
SU (1) | SU437310A3 (fi) |
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 FI FI209471A patent/FI54508C/fi active
- 1971-07-22 SE SE944271A patent/SE381896B/xx unknown
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 (fi) * | 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 (fi) * | 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 (fi) * | 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 |
---|---|
FI54508B (fi) | 1978-08-31 |
SE381896B (sv) | 1975-12-22 |
SU437310A3 (ru) | 1974-07-25 |
FI54508C (fi) | 1980-03-14 |