EP0366391A3
Polyester resin exhibiting optical anisotropy in molten state and resin composition
Abstract
A polyester resin exhibiting optical anisotropy in a molten state comprises constituent units represented by the following formulas (I) to (III) as essential components wherein the contents of the units (I), (II) and (III) are more than 70 mole %, 5 to 20, mole % and 5 to 20 mole %, respectively, based on the total amount of the constituent units:

Term
Term ended
Projected expiry passed 23 October 2009, 16.9 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0001340A1 | Cites | European Patent Office (EPO) | X | Search report |
| EP0131846A1 | Cites | European Patent Office (EPO) | A | Search report |
| EP0139303A2 | Cites | European Patent Office (EPO) | A | Search report |
| EP0220737A2 | Cites | European Patent Office (EPO) | X | Search report |
| EP0259670A2 | Cites | European Patent Office (EPO) | A | Search report |
7 members in 4 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 26761888 | Japan | – | |
| 26761888 | Japan | A | |
| 26761888 | – | – | – |
| JP19880267618 | – | – | – |
Members7
| Document | Office | Kind | |
|---|---|---|---|
| CA2000460A1 | Canada | A1 | |
| JPH02115221A | Japan | A | |
| EP0366391A2 | European Patent Office (EPO) | A2 | |
| KR900006394A | Republic of Korea | A | |
| EP0366391A3This record | European Patent Office (EPO) | A3 | |
| KR930006253B1 | Republic of Korea | B1 | |
| JPH0830112B2 | Japan | B2 |
6 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| 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
- 0366391
- Publication, DOCDB
- 0366391
- Publication, EPODOC
- EP0366391
- Application
- 89310904
- Application, DOCDB
- 89310904
- Application, EPODOC
- EP19890310904
Titles3
- English
- Polyester resin exhibiting optical anisotropy in molten state and resin composition
- German
- Polyesterharz, das in der Schmelze optische Anisotropie zeigt und ZUsammensetzung auf dessen Basis
- French
- Résine polyester montrant une anisotropie optique à l'état fondu et composition à base de celle-ci
Classification
- CPC, 2
- C09K19/3809
- C08G63/605
- IPC, 5
- C08K3 00
- C08G63 60
- C08L67 00
- C08L67 04
- C09K19 38
Designated states13
- Contracting states, 13
- Austria
- Belgium
- Switzerland
- Germany
- Spain
- France
- United Kingdom
- Greece
- Italy
- Liechtenstein
- Luxembourg
- Netherlands (Kingdom of the)
- Sweden