FR2301632B1 - - Google Patents
Info
- Publication number
- FR2301632B1 FR2301632B1 FR7601074A FR7601074A FR2301632B1 FR 2301632 B1 FR2301632 B1 FR 2301632B1 FR 7601074 A FR7601074 A FR 7601074A FR 7601074 A FR7601074 A FR 7601074A FR 2301632 B1 FR2301632 B1 FR 2301632B1
- 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.)
- Expired
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55027475A | 1975-02-18 | 1975-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2301632A1 FR2301632A1 (fr) | 1976-09-17 |
| FR2301632B1 true FR2301632B1 (ref) | 1980-06-20 |
Family
ID=24196466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7601074A Granted FR2301632A1 (fr) | 1975-02-18 | 1976-01-16 | Blanchiment par l'oxygene de la pate a papier en presence d'un protecteur a haute teneur en silic |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5220562B2 (ref) |
| CA (1) | CA1062858A (ref) |
| DE (1) | DE2552931A1 (ref) |
| FR (1) | FR2301632A1 (ref) |
| GB (1) | GB1519072A (ref) |
| SE (1) | SE7600243L (ref) |
| ZA (1) | ZA76274B (ref) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007036376A1 (de) * | 2007-07-31 | 2009-02-05 | Voith Patent Gmbh | Gebleichter Faserstoff |
| SE543640C2 (en) * | 2019-09-04 | 2021-05-11 | Stora Enso Oyj | Fluff pulp from oxygen delignified pulp |
-
1975
- 1975-08-25 CA CA234,066A patent/CA1062858A/en not_active Expired
- 1975-11-26 DE DE19752552931 patent/DE2552931A1/de not_active Withdrawn
-
1976
- 1976-01-09 GB GB784/76A patent/GB1519072A/en not_active Expired
- 1976-01-12 SE SE7600243A patent/SE7600243L/xx unknown
- 1976-01-16 JP JP51003295A patent/JPS5220562B2/ja not_active Expired
- 1976-01-16 FR FR7601074A patent/FR2301632A1/fr active Granted
- 1976-01-19 ZA ZA00760274A patent/ZA76274B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA76274B (en) | 1976-12-29 |
| JPS5196505A (ref) | 1976-08-24 |
| FR2301632A1 (fr) | 1976-09-17 |
| DE2552931A1 (de) | 1976-09-02 |
| GB1519072A (en) | 1978-07-26 |
| SE7600243L (sv) | 1976-08-19 |
| CA1062858A (en) | 1979-09-25 |
| JPS5220562B2 (ref) | 1977-06-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |