NO761808L - - Google Patents
Info
- Publication number
- NO761808L NO761808L NO761808A NO761808A NO761808L NO 761808 L NO761808 L NO 761808L NO 761808 A NO761808 A NO 761808A NO 761808 A NO761808 A NO 761808A NO 761808 L NO761808 L NO 761808L
- Authority
- NO
- Norway
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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Medicines Containing Plant Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/621,355 US4002526A (en) | 1975-10-10 | 1975-10-10 | Oxygen-alkali delignification of low consistency wood pulp |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO761808L true NO761808L (Sortimente) | 1977-04-13 |
| NO143752B NO143752B (no) | 1980-12-29 |
| NO143752C NO143752C (no) | 1981-04-08 |
Family
ID=24489828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO761808A NO143752C (no) | 1975-10-10 | 1976-05-28 | Fremgangsmaate til blekning og fjerning av lignin fra tremasse |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4002526A (Sortimente) |
| JP (1) | JPS6024875B2 (Sortimente) |
| AT (1) | AT349883B (Sortimente) |
| AU (1) | AU502921B2 (Sortimente) |
| BR (1) | BR7603292A (Sortimente) |
| CA (1) | CA1070056A (Sortimente) |
| FI (1) | FI65096C (Sortimente) |
| FR (1) | FR2327357A1 (Sortimente) |
| NO (1) | NO143752C (Sortimente) |
| SE (1) | SE436584B (Sortimente) |
| ZA (1) | ZA762574B (Sortimente) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU3102077A (en) * | 1976-12-01 | 1979-06-07 | New Zealand Dev Finance | Treating lignocellulosic or cellulosic pulp |
| US4622100A (en) * | 1984-10-01 | 1986-11-11 | International Paper Company | Process for the delignification of lignocellulosic material with oxygen, ferricyanide, and a protector |
| ATE169699T1 (de) * | 1993-06-16 | 1998-08-15 | Lignozym Gmbh | Verfahren zur veränderung, abbau oder bleichen von lignin, ligninhaltigen materialien oder kohle |
| WO1996033308A1 (en) * | 1995-04-20 | 1996-10-24 | R-J Holding Company | Pulping process |
| US20030150065A1 (en) * | 1998-12-30 | 2003-08-14 | Sheng-Hsin Hu | Liquid ammonia explosion treatment of wood fibers |
| WO2009138090A2 (en) * | 2008-05-14 | 2009-11-19 | Rådet For Agroindustri | A process for the production of hydrolysed plant material |
| RU2636363C2 (ru) * | 2013-03-21 | 2017-11-22 | Джапан Тобакко Инк. | Способ получения черного щелочного раствора и способ получения содержащей ароматизирующий компонент жидкости |
| US11154087B2 (en) | 2016-02-02 | 2021-10-26 | R.J. Reynolds Tobacco Company | Method for preparing flavorful compounds isolated from black liquor and products incorporating the flavorful compounds |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2071304A (en) * | 1934-12-04 | 1937-02-16 | Great Western Electro Chemical Co | Process of manufacture of products of ground wood pulp |
| US2271218A (en) * | 1937-08-31 | 1942-01-27 | Baudisch Friedrich | Method of decomposing maize straw for textile purposes |
| NL54060C (Sortimente) * | 1939-03-22 | 1942-10-15 | ||
| US2361639A (en) * | 1940-07-15 | 1944-10-31 | Henry A Wallace | Process for defibering lignocellulosic materials |
| US2372561A (en) * | 1941-06-19 | 1945-03-27 | Joseph C Elgin | Process of treating low rank textile fibers |
| US2394989A (en) * | 1942-03-11 | 1946-02-19 | Bonard Claude | Manufacture of cellulose |
| US3161562A (en) * | 1960-12-13 | 1964-12-15 | Champion Papers Inc | Pulping cellulose material with an alkaline cooking liquor containing hydrazine |
| US3308012A (en) * | 1963-08-19 | 1967-03-07 | Du Pont | Use of sulfamic acid in chlorination step of multistage bleaching process |
| US3368935A (en) * | 1964-10-12 | 1968-02-13 | Sonoco Products Co | Sulfite pulping process with urea |
| US3507743A (en) * | 1965-02-23 | 1970-04-21 | Fmc Corp | Bleaching of wood pulps with reductive bleaching agents and thiourea |
| US3274049A (en) * | 1965-02-25 | 1966-09-20 | Pullman Inc | Process for pulping bagasse with ammonium hydroxide and oxygen |
| US3401076A (en) * | 1965-08-12 | 1968-09-10 | Allied Chem | Increasing kraft pulp yield with hydroxylamine |
| CA752864A (en) * | 1965-10-12 | 1967-02-14 | Pulp And Paper Research Institute Of Canada | Extraction of fibrous cellulosic material with ammonia following treatment with chlorine, chlorine dioxide or other reagents |
| FR1531616A (fr) * | 1967-05-24 | 1968-07-05 | Azote Office Nat Ind | Procédé de blanchiment textile rapide |
| CA864409A (en) * | 1969-04-14 | 1971-02-23 | H. Andrews Douglas | Pulp bleaching process |
| ZA697269B (en) * | 1969-10-15 | 1971-04-28 | Air Liquide Sa Exploit Des Pro | Improvements in or relating to the delignification and bleaching of cellulose pulp with oxygen gas |
| GB1310835A (en) * | 1970-05-28 | 1973-03-21 | Pulp Paper Research Inst Of Ca | Treatment of chemical cellulosic pulp |
| US3740311A (en) * | 1971-05-24 | 1973-06-19 | Pulp Paper Res Inst | Delignification of cellulosic pulp with ammonia gas followed by heating in the presence of oxygen |
| FI52877B (Sortimente) * | 1972-11-16 | 1977-08-31 | Ahlstroem Oy | |
| US3832276A (en) * | 1973-03-07 | 1974-08-27 | Int Paper Co | Delignification and bleaching of a cellulose pulp slurry with oxygen |
-
1975
- 1975-10-10 US US05/621,355 patent/US4002526A/en not_active Expired - Lifetime
- 1975-10-27 CA CA238,381A patent/CA1070056A/en not_active Expired
-
1976
- 1976-02-19 SE SE7601934A patent/SE436584B/xx unknown
- 1976-04-28 AU AU13413/76A patent/AU502921B2/en not_active Expired
- 1976-04-29 ZA ZA762574A patent/ZA762574B/xx unknown
- 1976-05-25 BR BR7603292A patent/BR7603292A/pt unknown
- 1976-05-26 FR FR7616069A patent/FR2327357A1/fr not_active Withdrawn
- 1976-05-28 JP JP51062189A patent/JPS6024875B2/ja not_active Expired
- 1976-05-28 FI FI761526A patent/FI65096C/fi not_active IP Right Cessation
- 1976-05-28 NO NO761808A patent/NO143752C/no unknown
- 1976-05-31 AT AT398976A patent/AT349883B/de active
Also Published As
| Publication number | Publication date |
|---|---|
| US4002526A (en) | 1977-01-11 |
| SE436584B (sv) | 1985-01-07 |
| AU1341376A (en) | 1977-11-03 |
| AU502921B2 (en) | 1979-08-16 |
| BR7603292A (pt) | 1977-05-24 |
| FI65096C (fi) | 1984-03-12 |
| JPS5253004A (en) | 1977-04-28 |
| CA1070056A (en) | 1980-01-22 |
| SE7601934L (sv) | 1977-04-11 |
| ATA398976A (de) | 1978-09-15 |
| ZA762574B (en) | 1977-04-27 |
| AT349883B (de) | 1979-04-25 |
| FI65096B (fi) | 1983-11-30 |
| JPS6024875B2 (ja) | 1985-06-14 |
| FR2327357A1 (fr) | 1977-05-06 |
| NO143752B (no) | 1980-12-29 |
| FI761526A7 (Sortimente) | 1977-04-11 |
| NO143752C (no) | 1981-04-08 |