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EP0501409
European procedure
Extract from the Register of European Patents
EP About this file: EP0501409
| EP0501409 - Liquid crystal display device and preparation thereof [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 08.03.1996 Database last updated on 06.11.2024 | Most recent event Tooltip | 08.03.1996 | No opposition filed within time limit | published on 24.04.1996 [1996/17] | Applicant(s) | For all designated states SUMITOMO ELECTRIC INDUSTRIES, LTD 5-33, Kitahama 4-chome, Chuo-ku Osaka-shi Osaka-fu 541 / JP | [N/P] |
| Former [1992/36] | For all designated states SUMITOMO ELECTRIC INDUSTRIES, LTD 5-33, Kitahama 4-chome, Chuo-ku Osaka-shi, Osaka-fu 541 / JP | Inventor(s) | 01 /
Kajiyama, Tisato 28-1, Hakozaki 1-chome, Higashi-ku Fukuoka-shi, Fukuoka / JP | 02 /
Hara, Koji, c/o Osaka Works of Sumitomo Electric Industries, Ltd., 1-3, Shimaya 1-chome Konohana-ku, Osaka-shi, Osaka-fu / JP | 03 /
Kashiwagi, Tohru, c/o Osaka Works of Sumitomo Electric Industries, Ltd., 1-3, Shimaya 1-chome Konohana-ku, Osaka-shi, Osaka-fu / JP | [1992/36] | Representative(s) | Hansen, Bernd, et al Hoffmann Eitle Patent- und Rechtsanwälte Postfach 81 04 20 81904 München / DE | [N/P] |
| Former [1992/36] | Hansen, Bernd, Dr. Dipl.-Chem., et al Hoffmann, Eitle & Partner Patent- und Rechtsanwälte, Postfach 81 04 20 D-81904 München / DE | Application number, filing date | 92103156.3 | 25.02.1992 | [1992/36] | Priority number, date | JP19910030228 | 25.02.1991 Original published format: JP 3022891 | [1992/36] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0501409 | Date: | 02.09.1992 | Language: | EN | [1992/36] | Type: | A3 Search report | No.: | EP0501409 | Date: | 23.09.1992 | Language: | EN | [1992/39] | Type: | B1 Patent specification | No.: | EP0501409 | Date: | 03.05.1995 | Language: | EN | [1995/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.08.1992 | Classification | IPC: | C09K19/54, G02F1/1333 | [1992/36] | CPC: |
C09K19/544 (EP,US);
G02F1/13 (KR);
C08L79/08 (EP,US);
C09K2323/0271 (EP,US)
| C-Set: |
C08L79/08, C08L2666/04 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1992/36] | Title | German: | Flüssigkristallanzeigevorrichtung und ihre Herstellung | [1992/36] | English: | Liquid crystal display device and preparation thereof | [1992/36] | French: | Dispositif d'affichage à cristaux liquides et sa préparation | [1992/36] | Examination procedure | 11.02.1993 | Examination requested [1993/15] | 01.07.1994 | Despatch of communication of intention to grant (Approval: Yes) | 01.09.1994 | Communication of intention to grant the patent | 02.12.1994 | Fee for grant paid | 02.12.1994 | Fee for publishing/printing paid | Opposition(s) | 06.02.1996 | No opposition filed within time limit [1996/17] | Fees paid | Renewal fee | 28.02.1994 | Renewal fee patent year 03 | 24.02.1995 | Renewal fee patent year 04 |
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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. | Documents cited: | Search | [A]JP04051021 ; | [A]US4182700 (BENTON WILLIAM J [US], et al); | [A]EP0304153 (MINNESOTA MINING & MFG [US]); | [A]EP0313053 (DAINIPPON INK & CHEMICALS [JP]); | [X]WO9015854 (MERCK PATENT GMBH [DE]) | [A] - WORLD PATENTS INDEX LATEST Week 9214, Derwent Publications Ltd., London, GB; AN 92-109473 & JP-A-04 051021 (DAINIPPON) 19 February 1992, & JP04051021 A 19920219 |