EP0333022A3
Liquid crystal polymer with chromophoric lateral groups
Abstract
The invention relates to cholesteric organic polymers which contain in the side groups both mesogens which are at least partially optically active, as well as have chromophoric groups.
Term
Term ended
Projected expiry passed 9 March 2009, 17.5 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0090282B1 | Cites | European Patent Office (EPO) | X | Search report |
| EP0140133A2 | Cites | European Patent Office (EPO) | X | Search report |
| EP0260687A2 | Cites | European Patent Office (EPO) | YP | Search report |
3 priority claims, no other members on record
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 3808430 | Germany | A | |
| 3808430 | Germany | – | |
| DE19883808430 | – | – | – |
32 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Nl: lapsed or anulled due to non-payment of the annual feeLapsedNLV4 | NLV4 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| 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 | |
| Be: lapsedLapsedBERE | BERE | 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 | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| 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 | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| 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 | |
| Fr: translation filedET | ET | EP | |
| Gb: translation of ep patent filed (gb section 77(6)(a)/1977)GBT | GBT | 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 | |
| First examination report despatched17Q | 17Q | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Request for examination filed17P | 17P | 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
- 0333022
- Publication, DOCDB
- 0333022
- Publication, EPODOC
- EP0333022
- Application
- 104155
- Application, DOCDB
- 89104155
- Application, EPODOC
- EP19890104155
Titles4
- German
- Flüssigkristalline Organopolysiloxane mit chromophoren Seitengruppen
- English
- Liquid crystal organopolysiloxanes with chromophoric lateral groups
- French
- Organopolysiloxanes liquides cristallins à groupes latéraux chromophores
- English
- LIQUID CRYSTAL POLYMER WITH CHROMOPHORIC LATERAL GROUPS
Classification
- CPC, 3
- C09K19/408
- C07F7/21
- C09K19/3833
- IPC, 7
- C07F7 21
- C08G77 38
- C09B69 10
- C09K19 38
- C09K19 40
- C09K19 60
- G02F1 13
Designated states1
- Contracting states, 1
- Netherlands (Kingdom of the)