FR2324793B3 - - Google Patents
Info
- Publication number
- FR2324793B3 FR2324793B3 FR7627828A FR7627828A FR2324793B3 FR 2324793 B3 FR2324793 B3 FR 2324793B3 FR 7627828 A FR7627828 A FR 7627828A FR 7627828 A FR7627828 A FR 7627828A FR 2324793 B3 FR2324793 B3 FR 2324793B3
- 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
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
-
- 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3837775 | 1975-09-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2324793A1 FR2324793A1 (fr) | 1977-04-15 |
| FR2324793B3 true FR2324793B3 (US07696358-20100413-C00002.png) | 1979-06-01 |
Family
ID=10403089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7627828A Granted FR2324793A1 (fr) | 1975-09-18 | 1976-09-16 | Procede de production d'une pate a papier avec un rendement tres eleve |
Country Status (6)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8300124D0 (sv) * | 1983-01-12 | 1983-01-12 | Billerud Uddeholm Ab | Behandling av vedflis |
| DE102007022751A1 (de) * | 2007-05-11 | 2008-11-13 | Voith Patent Gmbh | Ablauge eines Sulfitaufschlusses |
-
1976
- 1976-09-10 CA CA260,981A patent/CA1094263A/en not_active Expired
- 1976-09-15 FI FI762641A patent/FI762641A/fi not_active Application Discontinuation
- 1976-09-16 FR FR7627828A patent/FR2324793A1/fr active Granted
- 1976-09-16 NO NO763179A patent/NO763179L/no unknown
- 1976-09-17 SE SE7610345A patent/SE7610345L/xx unknown
- 1976-09-17 JP JP51111654A patent/JPS5240603A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CA1094263A (en) | 1981-01-27 |
| FR2324793A1 (fr) | 1977-04-15 |
| JPS5240603A (en) | 1977-03-29 |
| FI762641A (US07696358-20100413-C00002.png) | 1977-03-19 |
| SE7610345L (sv) | 1977-03-19 |
| NO763179L (US07696358-20100413-C00002.png) | 1977-03-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |