FI871956A - Foerfarande foer avfaergning av massafaergade papper och sjaelvkopierande papper. - Google Patents
Foerfarande foer avfaergning av massafaergade papper och sjaelvkopierande papper. Download PDFInfo
- Publication number
- FI871956A FI871956A FI871956A FI871956A FI871956A FI 871956 A FI871956 A FI 871956A FI 871956 A FI871956 A FI 871956A FI 871956 A FI871956 A FI 871956A FI 871956 A FI871956 A FI 871956A
- Authority
- FI
- Finland
- Prior art keywords
- papper
- sjaelvkopierande
- massafaergade
- avfaergning
- och
- Prior art date
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
-
- 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
Landscapes
- Paper (AREA)
- Electrotherapy Devices (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Color Printing (AREA)
- Developing Agents For Electrophotography (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863616816 DE3616816A1 (de) | 1986-05-17 | 1986-05-17 | Verfahren zum entfaerben von in der masse gefaerbten papieren und selbstdurchschreibepapieren |
DE3616816 | 1986-05-17 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI871956A0 FI871956A0 (fi) | 1987-05-04 |
FI871956A true FI871956A (fi) | 1987-11-18 |
FI87472B FI87472B (fi) | 1992-09-30 |
FI87472C FI87472C (fi) | 1993-01-11 |
Family
ID=6301146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI871956A FI87472C (fi) | 1986-05-17 | 1987-05-04 | Foerfarande foer avfaergning av massafaergade papper och sjaelvkopierande papper |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0247307B1 (fi) |
JP (1) | JPS62276094A (fi) |
AT (1) | ATE63766T1 (fi) |
CA (1) | CA1281509C (fi) |
DE (2) | DE3616816A1 (fi) |
FI (1) | FI87472C (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3831668A1 (de) * | 1988-09-17 | 1990-03-22 | Escher Wyss Gmbh | Verfahren zur weissgraderhoehung von altpapier mit neutralem wasserkreislauf |
DE19510278C2 (de) * | 1994-03-22 | 1997-03-13 | Brueggemann L Kg | Bleichmittel und dessen Verwendung zur Bleiche von Sekundärfaserstoffen für die Papierherstellung |
JP2003073987A (ja) * | 2001-09-03 | 2003-03-12 | Oji Paper Co Ltd | 印刷古紙の中性脱墨パルプ化方法 |
DE102020111675A1 (de) * | 2020-04-29 | 2021-11-04 | Kübler & Niethammer Papierfabrik Kriebstein AG | Verfahren zur Herstellung eines Etikettenpapiers aus abgelösten Nassetiketten |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5220971A (en) * | 1975-08-12 | 1977-02-17 | Nippon Shokubai Kagaku Kogyo Co Ltd | Process for removing nitrogen oxides |
DE2816148B1 (de) * | 1978-04-14 | 1978-10-12 | Voith Gmbh J M | Verfahren zum Wiederaufbereiten von Papieren |
FR2482989A1 (fr) * | 1980-05-22 | 1981-11-27 | Interox | Procede pour la regeneration de vieux papiers |
DE3309956C1 (de) * | 1983-03-19 | 1984-07-12 | Degussa Ag, 6000 Frankfurt | Verfahren zum Bleichen von Papierrohstoffen |
-
1986
- 1986-05-17 DE DE19863616816 patent/DE3616816A1/de not_active Withdrawn
-
1987
- 1987-03-19 DE DE8787104044T patent/DE3770194D1/de not_active Expired - Lifetime
- 1987-03-19 AT AT87104044T patent/ATE63766T1/de not_active IP Right Cessation
- 1987-03-19 EP EP19870104044 patent/EP0247307B1/de not_active Expired - Lifetime
- 1987-05-04 FI FI871956A patent/FI87472C/fi not_active IP Right Cessation
- 1987-05-13 JP JP62114919A patent/JPS62276094A/ja active Pending
- 1987-05-15 CA CA 537275 patent/CA1281509C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FI871956A0 (fi) | 1987-05-04 |
JPS62276094A (ja) | 1987-11-30 |
DE3616816A1 (de) | 1987-11-19 |
EP0247307B1 (de) | 1991-05-22 |
FI87472B (fi) | 1992-09-30 |
FI87472C (fi) | 1993-01-11 |
ATE63766T1 (de) | 1991-06-15 |
CA1281509C (en) | 1991-03-19 |
EP0247307A1 (de) | 1987-12-02 |
DE3770194D1 (de) | 1991-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: DEGUSSA AKTIENGESELLSCHAFT |