EP0013751A3
Quaternised compounds and their use in dyeing paper
Abstract
Die Erfindung betrifft Verbindungen der allgemeinen Formel in der A' und A2 der Rest einer quatemierten methylenaktiven Verbindung und B ein Brückenglied sind. Die erfindungsgemäßen Verbindungen eignen sich sehr gut zum Färben von Papierstoffen, z. B. ligninhaltigen oder ligninfreien Papiermassen.
Term
Term ended
Projected expiry passed 21 December 1999, 26.8 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| DE2047431A1 | Cites | Germany | X | Search report |
| US2465412A | Cites | United States of America | X | Search report |
8 members in 5 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 2901845 | Germany | A | |
| 2901845 | Germany | – | |
| 2901845 | – | – | – |
| DE19792901845 | – | – | – |
Members8
| Document | Office | Kind | |
|---|---|---|---|
| JPS5599961A | Japan | A | |
| DE2901845A1 | Germany | A1 | |
| EP0013751A2 | European Patent Office (EPO) | A2 | |
| EP0013751A3This record | European Patent Office (EPO) | A3 | |
| US4323362A | United States of America | A | |
| CA1123846A | Canada | A | |
| EP0013751B1 | European Patent Office (EPO) | B1 | |
| DE2963699D1 | Germany | D1 |
27 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Patent ceasedCeasedPL | PL | CH | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Be: lapsedLapsedBERE | BERE | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| It: last paid annual feeITTA | ITTA | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0013751
- Publication, DOCDB
- 0013751
- Publication, EPODOC
- EP0013751
- Application
- 79105327
- Application, DOCDB
- 79105327
- Application, EPODOC
- EP19790105327
Titles3
- English
- Quaternised compounds and their use in dyeing paper
- French
- Composés quaternisés et leur utilisation dans la teinture du papier
- German
- Quaternierte Verbindungen und deren Verwendung beim Färben von Papierstoffen
Classification
- CPC, 3
- C09B23/10
- C09B23/145
- D21H21/28
- IPC, 5
- C09B23 00
- C09B23 10
- C09B23 14
- C09B57 00
- D21H21 28
Designated states1
- Contracting states, 1
- Italy