FR2281456B3 - - Google Patents
Info
- Publication number
- FR2281456B3 FR2281456B3 FR7524985A FR7524985A FR2281456B3 FR 2281456 B3 FR2281456 B3 FR 2281456B3 FR 7524985 A FR7524985 A FR 7524985A FR 7524985 A FR7524985 A FR 7524985A FR 2281456 B3 FR2281456 B3 FR 2281456B3
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9132274A JPS5119802A (en) | 1974-08-09 | 1974-08-09 | Koshino shoriho |
JP1921175A JPS5196506A (fr) | 1975-02-14 | 1975-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2281456A1 FR2281456A1 (fr) | 1976-03-05 |
FR2281456B3 true FR2281456B3 (fr) | 1978-04-07 |
Family
ID=26356044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7524985A Granted FR2281456A1 (fr) | 1974-08-09 | 1975-08-11 | Procede et appareillage d'extraction d'encre de papiers residuaires |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2535553A1 (fr) |
FR (1) | FR2281456A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4157952A (en) * | 1978-03-24 | 1979-06-12 | Lenox Institute For Research | Apparatus for deinking waste paper pulp |
DE3127290C2 (de) * | 1981-07-10 | 1986-10-30 | J.M. Voith Gmbh, 7920 Heidenheim | Flotationseinrichtung zur Aufbereitung von Altpapier |
ATE118839T1 (de) * | 1989-03-15 | 1995-03-15 | Woodfree Ltd | Verfahren zum de-inken von altpapieren. |
US5637191A (en) * | 1992-04-15 | 1997-06-10 | Allied Colloids Limited | Treatment of cellulosic material and compositions for use in this |
-
1975
- 1975-08-08 DE DE19752535553 patent/DE2535553A1/de active Pending
- 1975-08-11 FR FR7524985A patent/FR2281456A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2535553A1 (de) | 1976-02-19 |
FR2281456A1 (fr) | 1976-03-05 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |