EP0342826A3
Release film
Abstract
A release film comprising an oriented film substrate having an abherent surface layer comprising a chain extended polyurethane resin derived from an isocyanate-reactive polydialkyl siloxane. A preferred substrate is a biaxially oriented polyethylene terephthalate film, and the release film is of particular utility in the production of asphalt roofing materials.
Term
Term ended
Projected expiry passed 5 May 2009, 17.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| GB2140444A | Cites | United Kingdom | A | Search report |
| FR2318188A1 | Cites | France | X | Search report |
| US4413086A | Cites | United States of America | A | Search report |
16 members in 9 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 8811868 | United Kingdom | A | |
| 8811868 | United Kingdom | A | |
| 8811868 | United Kingdom | – | |
| 8811868 | – | – | – |
| GB19880011868 | – | – | – |
Members16
| Document | Office | Kind | |
|---|---|---|---|
| GB8811868D0 | United Kingdom | D0 | |
| GB8909734D0 | United Kingdom | D0 | |
| EP0342826A2 | European Patent Office (EPO) | A2 | |
| KR890017289A | Republic of Korea | A | |
| BR8902294A | Brazil | A | |
| CN1038617A | China | A | |
| JPH0224374A | Japan | A | |
| EP0342826A3This record | European Patent Office (EPO) | A3 | |
| US5082704A | United States of America | A | |
| CN1021805C | China | C | |
| EP0342826B1 | European Patent Office (EPO) | B1 | |
| AT102982T | Austria | T | |
| ATE102982T1 | Austria | T1 | |
| DE68913804D1 | Germany | D1 | |
| DE68913804T2 | Germany | T2 | |
| KR0128904B1 | Republic of Korea | B1 |
41 legal events, as 2 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 inform. from nat. office to epoLapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| Se: european patent has lapsedLapsedEUG | EUG | 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 | |
| No opposition filedOpposition26N | 26N | EP | |
| Se: european patent in force in swedenEAL | EAL | EP | |
| No opposition filed within time limitOppositionPLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTAA | STAA | EP | |
| Lu: last paid annual feeEPTA | EPTA | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| Corresponds to:REF | REF | EP | |
| (expected) grantGRAA | GRAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Main classification (correction)RHK1 | RHK1 | EP | |
| Search report despatchedPUAL | 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 phasePUAI | PUAI | EP |
Numbers
- Publication
- 0342826
- Publication, DOCDB
- 0342826
- Publication, EPODOC
- EP0342826
- Application
- 89304530
- Application, DOCDB
- 89304530
- Application, EPODOC
- EP19890304530
Titles3
- German
- Trennfolie
- English
- Release film
- French
- Film détachable
Classification
- CPC, 21
- C08G18/0804
- C08J5/18
- C08G18/61
- C08J2367/02
- C08J2475/00
- C09J2400/226
- C09J2467/006
- C09J2475/005
- D06N5/00
- E04D5/12
- Y10T428/1457
- Y10T428/24355
- Y10T428/31815
- Y10T428/31565
- C08J7/0427
- C08J7/043
- C08J7/046
- C08J7/056
- C09J7/401
- C09J7/201
- C09J7/22
- IPC, 14
- B29C33 68
- C08G18 08
- C08G18 12
- C08G18 50
- C08G18 61
- C08G18 78
- C08J7 043
- C08J7 046
- C08J7 056
- C09D175 00
- C09D175 04
- C09J7 22
- D06N5 00
- E04D5 12
Designated states9
- Contracting states, 9
- Austria
- Belgium
- Germany
- France
- United Kingdom
- Italy
- Luxembourg
- Netherlands (Kingdom of the)
- Sweden