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EP0460436
European procedure
Extract from the Register of European Patents
EP About this file: EP0460436
| EP0460436 - Supertwist liquid-.crystal display [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.01.1998 Database last updated on 26.07.2024 | Most recent event Tooltip | 05.06.1998 | Lapse of the patent in a contracting state | published on 22.07.1998 [1998/30] | 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 [1991/50] | For all designated states MERCK PATENT GmbH Postfach, Frankfurter Strasse 250 D-64271 Darmstadt / DE | Inventor(s) | 01 /
Plach, Herbert, Dr. Wingertsbergstrasse 5 W-6100 Damstadt / DE | 02 /
Hittich, Reinhard, Dr. Am Kirchberg 11 W-6101 Modautal 1 / DE | 03 /
Reiffenrath, Volker Jahnstrasse 15 W-6101 Rossdorf / DE | 04 /
Coates, David, Dr. 87 Sopwith Crescent, Merley Wimborne, Dorset BH21 3SW / GB | 05 /
Marden, Shirley Ann, Dr. 244 Ringwood Road Parkstone, Poole, Dorset BH14 0RS / GB | 06 /
Lymer, Karl Philip, Dr. Fairmad, 1 Horton Road, Ashley Heath Ringwood, Hampshire, BH24 2EB / GB | 07 /
Yoshitake, Hiroki, Dr. 4-11-1, Miyanosato Atsugi-shi, Kanagawa Pref. 243-02 / JP | 08 /
Numata, Hiroshi, Dr. Forest Hills Miho 3-202 1351-1 Miho machi, Midori-ku / JP | 09 /
Kobayashi, Keiko, Dr. 1-3-7, Kami Imaizumi Ebina-shi, Kanagawa Pref. 243 / JP | 10 /
Weber, Georg Wilhelm-Leuschner-Strasse 38 W-6106 Erzhausen / DE | 11 /
Bartmann, Ekkehard, Dr. Dieburger Weg 12a W-6106 Erzhausen / DE | [1991/50] | Application number, filing date | 91107939.0 | 16.05.1991 | [1991/50] | Priority number, date | GB19900012750 | 08.06.1990 Original published format: GB 9012750 | EP19900118932 | 04.10.1990 Original published format: EP 90118932 | [1991/50] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0460436 | Date: | 11.12.1991 | Language: | EN | [1991/50] | Type: | A3 Search report | No.: | EP0460436 | Date: | 22.04.1992 | Language: | EN | [1992/17] | Type: | B1 Patent specification | No.: | EP0460436 | Date: | 12.03.1997 | Language: | EN | [1997/11] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 28.02.1992 | Classification | IPC: | C09K19/02, C09K19/30, C09K19/42 | [1992/17] | CPC: |
C09K19/3001 (EP);
G02F1/133 (KR);
C09K19/0208 (EP);
C09K19/42 (EP)
|
| Former IPC [1991/50] | C09K19/42, C09K19/02, C09K19/30 | Designated contracting states | DE, GB [1991/50] | Title | German: | Supertwist Flüssigkristallanzeige | [1991/50] | English: | Supertwist liquid-.crystal display | [1991/50] | French: | Affichage à cristaux liquides super-torsadés | [1991/50] | Examination procedure | 19.09.1992 | Examination requested [1992/46] | 09.08.1993 | Despatch of a communication from the examining division (Time limit: M06) | 07.02.1994 | Reply to a communication from the examining division | 15.09.1994 | Despatch of a communication from the examining division (Time limit: M04) | 13.01.1995 | Reply to a communication from the examining division | 08.08.1995 | Despatch of a communication from the examining division (Time limit: M02) | 28.08.1995 | Reply to a communication from the examining division | 20.05.1996 | Despatch of communication of intention to grant (Approval: Yes) | 16.09.1996 | Communication of intention to grant the patent | 04.12.1996 | Fee for grant paid | 04.12.1996 | Fee for publishing/printing paid | Opposition(s) | 13.12.1997 | No opposition filed within time limit [1998/10] | Fees paid | Renewal fee | 10.05.1993 | Renewal fee patent year 03 | 09.05.1994 | Renewal fee patent year 04 | 12.04.1995 | Renewal fee patent year 05 | 09.05.1996 | Renewal fee patent year 06 |
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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 | GB | 12.06.1997 | [1998/30] | Documents cited: | Search | [X]WO8908692 (MERCK PATENT GMBH [DE]); | [X]EP0315014 (HOFFMANN LA ROCHE [CH]); | [XP]WO9102043 (MERCK PATENT GMBH [DE]); | [XP]DE4026200 (MERCK PATENT GMBH [DE]); | [XP]EP0393443 (MERCK PATENT GMBH [DE]) | Examination | WO9110716 | WO9115556 | EP0445274 |