FR2283988B1 - - Google Patents
Info
- Publication number
- FR2283988B1 FR2283988B1 FR7527116A FR7527116A FR2283988B1 FR 2283988 B1 FR2283988 B1 FR 2283988B1 FR 7527116 A FR7527116 A FR 7527116A FR 7527116 A FR7527116 A FR 7527116A FR 2283988 B1 FR2283988 B1 FR 2283988B1
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7411268A SE384883B (en) | 1974-09-06 | 1974-09-06 | WAY TO INCREASE THE CELLULOSE YIELD WHEN SULPHITE BOILING OF WOOD |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2283988A1 FR2283988A1 (en) | 1976-04-02 |
| FR2283988B1 true FR2283988B1 (en) | 1978-12-08 |
Family
ID=20322071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7527116A Granted FR2283988A1 (en) | 1974-09-06 | 1975-09-04 | Wood sulphite cooking using hexyl or (methyl)-norbornyl formate - in liquor, improving cellulose yield and strength |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5153002A (en) |
| AT (1) | AT344498B (en) |
| CA (1) | CA1057008A (en) |
| CH (1) | CH600036A5 (en) |
| DE (1) | DE2537785A1 (en) |
| FI (1) | FI58521C (en) |
| FR (1) | FR2283988A1 (en) |
| NO (1) | NO144577C (en) |
| SE (1) | SE384883B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2816473A1 (en) * | 1978-04-15 | 1979-10-25 | Bayer Ag | DISPERSION FOR USE IN CELL PROCESSING |
| DE2827111A1 (en) * | 1978-06-21 | 1980-01-10 | Bayer Ag | AGENTS FOR USE IN CELL PROCESSING |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE336535C (en) * | 1919-12-02 | 1921-05-03 | Zellstoff Und Papierfabrikatio | Process for the production of the purest cellulose with a cotton or wool-like texture from vegetables using acidic sulphite liquors |
-
1974
- 1974-09-06 SE SE7411268A patent/SE384883B/en unknown
-
1975
- 1975-08-25 DE DE19752537785 patent/DE2537785A1/en not_active Withdrawn
- 1975-08-27 CH CH1108775A patent/CH600036A5/xx not_active IP Right Cessation
- 1975-09-01 AT AT670575A patent/AT344498B/en not_active IP Right Cessation
- 1975-09-03 NO NO753029A patent/NO144577C/en unknown
- 1975-09-04 FR FR7527116A patent/FR2283988A1/en active Granted
- 1975-09-05 CA CA234,872A patent/CA1057008A/en not_active Expired
- 1975-09-05 JP JP50108467A patent/JPS5153002A/en active Pending
- 1975-09-05 FI FI752508A patent/FI58521C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO144577B (en) | 1981-06-15 |
| FI58521C (en) | 1981-02-10 |
| ATA670575A (en) | 1977-11-15 |
| AT344498B (en) | 1978-07-25 |
| JPS5153002A (en) | 1976-05-11 |
| NO144577C (en) | 1981-09-23 |
| FI58521B (en) | 1980-10-31 |
| FI752508A (en) | 1976-03-07 |
| DE2537785A1 (en) | 1976-03-18 |
| CA1057008A (en) | 1979-06-26 |
| FR2283988A1 (en) | 1976-04-02 |
| CH600036A5 (en) | 1978-06-15 |
| NO753029L (en) | 1976-03-09 |
| SE384883B (en) | 1976-05-24 |
| SE7411268L (en) | 1976-03-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |