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EP0252961
European procedure
Extract from the Register of European Patents
EP About this file: EP0252961
| EP0252961 - HETEROCYCLIC COMPOUNDS AS COMPONENTS OF LIQUID CRYSTAL PHASES [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.01.1996 Database last updated on 19.10.2024 | Most recent event Tooltip | 23.11.2007 | Lapse of the patent in a contracting state | published on 26.12.2007 [2007/52] | Applicant(s) | For all designated states Merck Patent GmbH Postfach Frankfurter Strasse 250 64271 Darmstadt / DE | [N/P] |
| Former [1994/11] | For all designated states MERCK PATENT GmbH Postfach, Frankfurter Strasse 250 D-64271 Darmstadt / DE | ||
| Former [1988/03] | For all designated states MERCK PATENT GmbH Postfach, Frankfurter Strasse 250 D-64271 Darmstadt / DE | Inventor(s) | 01 /
GRAY, George, William "Glenwood" Newgate Street Cottingham HU16 4DY / GB | 02 /
TOYNE, Kenneth, Johnson 25 Hall Road Hull HU6 8QW / GB | 03 /
LACEY, David 19 Kildale Close Hull HU8 9NW / GB | 04 /
BURROW, Michael, Peter 9 The Polygon Clifton Bristol BS8 4PW / GB | 05 /
EIDENSCHINK, Rudolf Kornblumenstr. 1 D-6115 Münster / DE | 06 /
WÄCHTLER, Andreas Goethestr. 34 D-6103 Griesheim / DE | 07 /
WEBER, Georg Wilhelm-Leuschner-Str. 38 D-6106 Erzhausen / DE | [1988/03] | Application number, filing date | 87900721.9 | 18.12.1986 | [1988/03] | WO1986EP00760 | Priority number, date | DE19863600052 | 03.01.1986 Original published format: DE 3600052 | [1988/03] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | WO8704158 | Date: | 16.07.1987 | [1987/15] | Type: | A1 Application with search report | No.: | EP0252961 | Date: | 20.01.1988 | Language: | DE | The application published by WIPO in one of the EPO official languages on 16.07.1987 takes the place of the publication of the European patent application. | [1988/03] | Type: | B1 Patent specification | No.: | EP0252961 | Date: | 08.02.1995 | Language: | DE | [1995/06] | Search report(s) | International search report - published on: | EP | 22.10.1987 | Classification | IPC: | C07D241/12, C07D241/18, C07D241/24, C07D213/55, C07D213/30, C07D213/16, C07D213/26, C07D213/57, C09K19/34 | [1988/03] | CPC: |
C07D213/16 (EP,US);
C07D213/26 (EP,US);
C07D213/30 (EP,US);
C07D213/55 (EP,US);
C07D213/57 (EP,US);
C07D241/12 (EP,US);
C07D241/18 (EP,US);
C07D241/24 (EP,US);
C09K19/3444 (EP,US);
C09K19/3452 (EP,US)
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| Designated contracting states | CH, DE, FR, GB, IT, LI, NL [1988/03] | Title | German: | HETEROCYCLISCHE VERBINDUNGEN ALS KOMPONENTEN FLÜSSIGKRISTALLINER PHASEN | [1988/03] | English: | HETEROCYCLIC COMPOUNDS AS COMPONENTS OF LIQUID CRYSTAL PHASES | [1988/03] | French: | COMPOSES HETEROCYCLIQUES UTILISES COMME COMPOSANTS DE PHASES DE CRISTAUX LIQUIDES | [1988/03] | Miscellaneous | EPB 1995/06: Teilanmeldung 91119403.3 eingereicht am 18/12/86 | EPB 1995/06: Divisional application 91119403.3 filed on 18/12/86 | EPB 1995/06: Demande divisionnaire 91119403.3 déposée le 18/12/86 | Entry into regional phase | 25.08.1987 | National basic fee paid | 25.08.1987 | Designation fee(s) paid | 24.02.1988 | Examination fee paid | Examination procedure | 24.02.1988 | Examination requested [1988/16] | 25.10.1990 | Despatch of a communication from the examining division (Time limit: M06) | 30.04.1991 | Reply to a communication from the examining division | 24.10.1991 | Despatch of a communication from the examining division (Time limit: M06) | 29.04.1992 | Reply to a communication from the examining division | 12.10.1992 | Despatch of a communication from the examining division (Time limit: M04) | 19.02.1993 | Reply to a communication from the examining division | 13.10.1993 | Despatch of communication of intention to grant (Approval: Yes) | 20.04.1994 | Communication of intention to grant the patent | 29.06.1994 | Fee for grant paid | 29.06.1994 | Fee for publishing/printing paid | Divisional application(s) | EP91119403.3 / EP0473208 | Opposition(s) | 09.11.1995 | No opposition filed within time limit [1996/05] | Fees paid | Renewal fee | 16.12.1988 | Renewal fee patent year 03 | 18.12.1989 | Renewal fee patent year 04 | 11.12.1990 | Renewal fee patent year 05 | 09.12.1991 | Renewal fee patent year 06 | 09.10.1992 | Renewal fee patent year 07 | 13.12.1993 | Renewal fee patent year 08 | 07.12.1994 | Renewal fee patent year 09 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | IT | 08.02.1995 | NL | 08.02.1995 | [2007/52] |
| Former [1999/42] | IT | 08.02.1995 | |
| NL | 08.02.1995 | ||
| Former [1995/49] | NL | 08.02.1995 | Cited in | International search | [X]JP6092276 ; | [X]JP59144771 ; | JPS60149564 [ ] (CHISSO CORP); | JPS60163865 [ ] (CHISSO CORP); | JPS60199882 [ ] (NIPPON KAYAKU KK); | DE3404055 [ ] (PAVLJUCENKO ASSJA IOSIFOVNA, et al); | EP0164721 [ ] (CHISSO CORP [JP]); | GB2161808 [ ] (SUWA SEIKOSHA KK); | EP0194153 [ ] (CHISSO CORP [JP]); | WO8606401 [ ] (MERCK PATENT GMBH [DE]) | by applicant | DE2209127 | DE2321632 | DE2502904 | DE2450088 | DE2535046 | DE2637430 | DE2701591 | DE2853728 | DE2902177 | DE3201721 | JPS60149564 | JPS60163865 | JPS60199882 | DE3404055 | EP0164721 | EP0194153 | WO8606461 |