IN167959B - - Google Patents
Info
- Publication number
- IN167959B IN167959B IN647/DEL/86A IN647DE1986A IN167959B IN 167959 B IN167959 B IN 167959B IN 647DE1986 A IN647DE1986 A IN 647DE1986A IN 167959 B IN167959 B IN 167959B
- Authority
- IN
- India
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
- D21C3/26—Multistage processes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76272485A | 1985-08-05 | 1985-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN167959B true IN167959B (pt) | 1991-01-12 |
Family
ID=25065878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN647/DEL/86A IN167959B (pt) | 1985-08-05 | 1986-07-18 |
Country Status (14)
| Country | Link |
|---|---|
| EP (1) | EP0213376B1 (pt) |
| JP (1) | JPH0742669B2 (pt) |
| AT (1) | ATE57401T1 (pt) |
| AU (1) | AU591508B2 (pt) |
| BR (1) | BR8603671A (pt) |
| CA (1) | CA1282911C (pt) |
| DE (1) | DE3674866D1 (pt) |
| ES (1) | ES2000831A6 (pt) |
| FI (1) | FI85725C (pt) |
| IN (1) | IN167959B (pt) |
| NO (1) | NO168375C (pt) |
| NZ (1) | NZ217001A (pt) |
| PT (1) | PT83117B (pt) |
| YU (1) | YU45352B (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0212329B1 (fr) * | 1985-08-05 | 1990-10-10 | INTEROX Société Anonyme | Procédé pour la délignification de matières cellulosiques |
| FI122654B (fi) * | 1997-12-08 | 2012-05-15 | Ovivo Luxembourg Sarl | Menetelmä paperisellumassan valmistamiseksi |
| CN101688361B (zh) * | 2007-05-23 | 2013-05-15 | 艾伯塔创新-未来技术公司 | 使用氨和过氧化氢的溶液从纤维质的纤维中除去半纤维素的方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE873649C (de) * | 1944-08-25 | 1953-04-16 | Degussa | Verfahren zur Herstellung von ungebleichten Zellstoffen mit hohem Weissgehalt |
| SE373896B (pt) * | 1972-07-05 | 1975-02-17 | Mo Och Domsjoe Ab | |
| SE380298B (sv) * | 1974-03-14 | 1975-11-03 | Mo | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
| US4486267A (en) * | 1983-11-14 | 1984-12-04 | Mead Corporation | Chemithermomechanical pulping process employing separate alkali and sulfite treatments |
| EP0212329B1 (fr) * | 1985-08-05 | 1990-10-10 | INTEROX Société Anonyme | Procédé pour la délignification de matières cellulosiques |
-
1986
- 1986-07-18 IN IN647/DEL/86A patent/IN167959B/en unknown
- 1986-07-25 AT AT86110249T patent/ATE57401T1/de not_active IP Right Cessation
- 1986-07-25 AU AU60543/86A patent/AU591508B2/en not_active Ceased
- 1986-07-25 DE DE8686110249T patent/DE3674866D1/de not_active Expired - Fee Related
- 1986-07-25 EP EP86110249A patent/EP0213376B1/fr not_active Expired - Lifetime
- 1986-07-28 NZ NZ217001A patent/NZ217001A/xx unknown
- 1986-07-31 YU YU1370/86A patent/YU45352B/xx unknown
- 1986-08-01 PT PT83117A patent/PT83117B/pt not_active IP Right Cessation
- 1986-08-01 CA CA000515198A patent/CA1282911C/fr not_active Expired - Lifetime
- 1986-08-04 JP JP61183261A patent/JPH0742669B2/ja not_active Expired - Lifetime
- 1986-08-04 ES ES868600839A patent/ES2000831A6/es not_active Expired
- 1986-08-04 BR BR8603671A patent/BR8603671A/pt not_active IP Right Cessation
- 1986-08-04 NO NO863132A patent/NO168375C/no not_active IP Right Cessation
- 1986-08-05 FI FI863193A patent/FI85725C/fi not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR8603671A (pt) | 1987-03-10 |
| ATE57401T1 (de) | 1990-10-15 |
| AU591508B2 (en) | 1989-12-07 |
| NO863132L (no) | 1987-02-06 |
| EP0213376B1 (fr) | 1990-10-10 |
| YU137086A (en) | 1987-10-31 |
| FI85725B (fi) | 1992-02-14 |
| YU45352B (en) | 1992-05-28 |
| ES2000831A6 (es) | 1988-03-16 |
| FI863193L (fi) | 1987-02-06 |
| NO168375C (no) | 1992-02-12 |
| DE3674866D1 (de) | 1990-11-15 |
| FI85725C (fi) | 1992-05-25 |
| JPS6297991A (ja) | 1987-05-07 |
| CA1282911C (fr) | 1991-04-16 |
| JPH0742669B2 (ja) | 1995-05-10 |
| NZ217001A (en) | 1989-01-27 |
| NO168375B (no) | 1991-11-04 |
| NO863132D0 (no) | 1986-08-04 |
| PT83117A (fr) | 1986-09-01 |
| AU6054386A (en) | 1987-02-12 |
| EP0213376A1 (fr) | 1987-03-11 |
| FI863193A0 (fi) | 1986-08-05 |
| PT83117B (pt) | 1988-10-14 |