EP0330187A3
Cation exchanger
Abstract
A cation exchanger of polysulfone polymer consisting essentially of a sulfonated product of a polysulfone polymer having at least one chloromethyl (-CH₂Cl) or mercapto (-SH) group per molecule, or a cured product thereof, and having an ion exchange capacity of from 0.5 to 3.5 meq/g dry resin.
Term
Term ended
Projected expiry passed 22 February 2009, 17.6 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0061424A2 | Cites | European Patent Office (EPO) | A | Search report |
| EP0165077A2 | Cites | European Patent Office (EPO) | A | Search report |
| EP0237593A1 | Cites | European Patent Office (EPO) | A | Search report |
| DE2021383B2 | Cites | Germany | A | Search report |
| DE2457355B2 | Cites | Germany | A | Search report |
| DE2531159A1 | Cites | Germany | A | Search report |
9 members in 6 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 4071988 | Japan | – | |
| 4071988 | Japan | A | |
| JP19880040719 | – | – | – |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| JPH01215348A | Japan | A | |
| EP0330187A2 | European Patent Office (EPO) | A2 | |
| KR890013097A | Republic of Korea | A | |
| CN1036588A | China | A | |
| EP0330187A3This record | European Patent Office (EPO) | A3 | |
| US5128378A | United States of America | A | |
| EP0330187B1 | European Patent Office (EPO) | B1 | |
| DE68921081D1 | Germany | D1 | |
| KR960001418B1 | Republic of Korea | B1 |
20 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| No opposition filedOpposition26N | 26N | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | |
| Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents actLapsedNLV1 | NLV1 | |
| Fr: translation not filedEN | EN | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | |
| Corresponds to:REF | REF | |
| Designated contracting statesAK | AK | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | |
| First examination report despatched17Q | 17Q | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 0330187
- Publication, DOCDB
- 0330187
- Publication, EPODOC
- EP0330187
- Application
- 103108
- Application, DOCDB
- 89103108
- Application, EPODOC
- EP19890103108
Titles3
- English
- Cation exchanger
- German
- Kationenaustauscher
- French
- Echangeur de cations
Classification
- CPC, 2
- B01J39/18
- C08G75/02
- IPC, 12
- C08L81 00
- B01J39 05
- B01J39 18
- B01J39 19
- B01J45 00
- B01J47 12
- C08G75 00
- C08G75 02
- C08G75 23
- C08J5 22
- C08K5 00
- C08L81 06
Designated states5
- Contracting states, 5
- Germany
- France
- United Kingdom
- Italy
- Netherlands (Kingdom of the)