FR2264125A1 - - Google Patents
Info
- Publication number
- FR2264125A1 FR2264125A1 FR7507206A FR7507206A FR2264125A1 FR 2264125 A1 FR2264125 A1 FR 2264125A1 FR 7507206 A FR7507206 A FR 7507206A FR 7507206 A FR7507206 A FR 7507206A FR 2264125 A1 FR2264125 A1 FR 2264125A1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Processing Of Solid Wastes (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compounds Of Unknown Constitution (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7403451A SE380298B (sv) | 1974-03-14 | 1974-03-14 | Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2264125A1 true FR2264125A1 (is") | 1975-10-10 |
| FR2264125B1 FR2264125B1 (is") | 1977-11-18 |
Family
ID=20320524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7507206A Expired FR2264125B1 (is") | 1974-03-14 | 1975-03-07 |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS522002B2 (is") |
| AT (1) | AT345658B (is") |
| BR (1) | BR7501339A (is") |
| CA (1) | CA1039908A (is") |
| CH (1) | CH606601A5 (is") |
| DE (1) | DE2509746C3 (is") |
| FI (1) | FI750635A7 (is") |
| FR (1) | FR2264125B1 (is") |
| GB (1) | GB1500011A (is") |
| IT (1) | IT1030236B (is") |
| NO (1) | NO140605C (is") |
| SE (1) | SE380298B (is") |
| ZA (1) | ZA751266B (is") |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2316376A1 (fr) * | 1975-06-30 | 1977-01-28 | Int Paper Co | Blanchiment par l'oxygene en presence d'un catalyseur |
| EP0212329A1 (fr) * | 1985-08-05 | 1987-03-04 | INTEROX Société Anonyme | Procédé pour la délignification de matières cellulosiques |
| EP0213376A1 (fr) * | 1985-08-05 | 1987-03-11 | INTEROX Société Anonyme | Procédé pour la délignification de matières cellulosiques |
| EP0921228A3 (en) * | 1997-12-08 | 2000-02-23 | Sunds Defibrator Pori Oy | Method for the production of precleaned pulp |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100159515A1 (en) * | 2008-12-19 | 2010-06-24 | E.I. Du Pont De Nemours And Company | Oxidative pretreatment of biomass to enhance enzymatic saccharification |
-
1974
- 1974-03-14 SE SE7403451A patent/SE380298B/xx not_active IP Right Cessation
-
1975
- 1975-02-27 IT IT67508/75A patent/IT1030236B/it active
- 1975-02-28 ZA ZA00751266A patent/ZA751266B/xx unknown
- 1975-03-04 CH CH270175A patent/CH606601A5/xx not_active IP Right Cessation
- 1975-03-05 FI FI750635A patent/FI750635A7/fi not_active Application Discontinuation
- 1975-03-06 GB GB9446/75A patent/GB1500011A/en not_active Expired
- 1975-03-06 BR BR1339/75A patent/BR7501339A/pt unknown
- 1975-03-06 JP JP50027940A patent/JPS522002B2/ja not_active Expired
- 1975-03-06 NO NO750744A patent/NO140605C/no unknown
- 1975-03-06 DE DE2509746A patent/DE2509746C3/de not_active Expired
- 1975-03-07 CA CA221,564A patent/CA1039908A/en not_active Expired
- 1975-03-07 AT AT178875A patent/AT345658B/de not_active IP Right Cessation
- 1975-03-07 FR FR7507206A patent/FR2264125B1/fr not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2316376A1 (fr) * | 1975-06-30 | 1977-01-28 | Int Paper Co | Blanchiment par l'oxygene en presence d'un catalyseur |
| EP0212329A1 (fr) * | 1985-08-05 | 1987-03-04 | INTEROX Société Anonyme | Procédé pour la délignification de matières cellulosiques |
| EP0213376A1 (fr) * | 1985-08-05 | 1987-03-11 | INTEROX Société Anonyme | Procédé pour la délignification de matières cellulosiques |
| EP0921228A3 (en) * | 1997-12-08 | 2000-02-23 | Sunds Defibrator Pori Oy | Method for the production of precleaned pulp |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2509746B2 (de) | 1977-08-18 |
| GB1500011A (en) | 1978-02-08 |
| DE2509746C3 (de) | 1978-04-27 |
| CA1039908A (en) | 1978-10-10 |
| SE7403451L (is") | 1975-09-15 |
| NO140605B (no) | 1979-06-25 |
| BR7501339A (pt) | 1975-12-09 |
| CH606601A5 (is") | 1978-11-15 |
| DE2509746A1 (de) | 1975-09-25 |
| NO750744L (is") | 1975-09-16 |
| JPS50121501A (is") | 1975-09-23 |
| FI750635A7 (is") | 1975-09-15 |
| JPS522002B2 (is") | 1977-01-19 |
| SE380298B (sv) | 1975-11-03 |
| NO140605C (no) | 1979-10-03 |
| AT345658B (de) | 1978-09-25 |
| IT1030236B (it) | 1979-03-30 |
| FR2264125B1 (is") | 1977-11-18 |
| ZA751266B (en) | 1976-01-28 |
| ATA178875A (de) | 1978-01-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |