EP0172012A3
Liquid crystalline polymer substrates with orthogonal molecular orientation
Abstract
In one embodiment this invention provides a polymeric nonlinear optical medium comprising a thin substrate of wholly aromatic thermotropic liquid crystal polymer having a uniaxial orthogonal molecular orientation.
Term
Term ended
Projected expiry passed 12 August 2005, 21.1 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0072210A1 | Cites | European Patent Office (EPO) | X | Search report |
| GB2006242A | Cites | United Kingdom | X | Search report |
| US4394498A | Cites | United States of America | X | Search report |
7 members in 5 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 640477 | United States of America | – | |
| 64047784 | United States of America | A | |
| 64047784 | United States of America | A | |
| 640477 | – | – | – |
| US19840640477 | – | – | – |
Members7
| Document | Office | Kind | |
|---|---|---|---|
| EP0172012A2 | European Patent Office (EPO) | A2 | |
| JPS6169039A | Japan | A | |
| US4624872A | United States of America | A | |
| EP0172012A3This record | European Patent Office (EPO) | A3 | |
| CA1265921A | Canada | A | |
| EP0172012B1 | European Patent Office (EPO) | B1 | |
| DE3582978D1 | Germany | D1 |
22 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | |
| No opposition filedOpposition26N | 26N | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | |
| 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 | |
| Corresponds to:REF | REF | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | |
| 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 | |
| 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
- 0172012
- Publication, DOCDB
- 0172012
- Publication, EPODOC
- EP0172012
- Application
- 85305698
- Application, DOCDB
- 85305698
- Application, EPODOC
- EP19850305698
Titles3
- English
- Liquid crystalline polymer substrates with orthogonal molecular orientation
- French
- Substrats polymères cristal liquide à orientation moléculaire orthogonale
- German
- Flüssigkristallpolymersubstrate mit senkrechter Molekularorientierung
Classification
- CPC, 5
- C09K19/02
- C08G63/06
- C09K19/3809
- G02F1/3616
- Y10T428/31681
- IPC, 9
- C08G63 00
- C08G63 06
- C08G63 19
- C09K19 02
- C09K19 38
- G02F1 13
- G02F1 35
- G02F1 355
- G02F1 361
Designated states6
- Contracting states, 6
- Belgium
- Germany
- France
- United Kingdom
- Italy
- Netherlands (Kingdom of the)