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EP0254553
European procedure
Extract from the Register of European Patents
EP About this file: EP0254553
| EP0254553 - Optical recording medium [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 13.11.1993 Database last updated on 26.06.2024 | Most recent event Tooltip | 13.11.1993 | No opposition filed within time limit | published on 05.01.1994 [1994/01] | Applicant(s) | For all designated states Hitachi Chemical Company, Ltd. 1-1, 2-chome, Nishishinjuku Shinjuku-ku Tokyo 163-0449 / JP | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo 101 / JP | [N/P] |
| Former [1993/02] | For all designated states HITACHI CHEMICAL COMPANY, LTD. 1-1, 2-chome, Nishishinjuku Shinjuku-ku Tokyo 163 / JP | ||
| For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | |||
| Former [1990/33] | For all designated states Hitachi Chemical Co., Ltd. 1-1, Nishishinjuku 2-chome Shinjuku-ku, Tokyo 160 / JP | ||
| For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | |||
| Former [1988/04] | For all designated states Hitachi Chemical Co., Ltd. 1-1, Nishishinjuku 2-chome Shinjuku-ku, Tokyo 160 / JP | ||
| For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 101 / JP | Inventor(s) | 01 /
Hayashida, Shigeru 16-5-402, Sukegawacho 5-chome Hitachi-shi / JP | 02 /
Tai, Seiji 21-2-402, Nishinarusawacho 3-chome Hitachi-shi / JP | [1988/04] | Representative(s) | Goldin, Douglas Michael, et al J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
| Former [1988/04] | Goldin, Douglas Michael, et al J.A. KEMP & CO. 14, South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 87306487.7 | 22.07.1987 | [1988/04] | Priority number, date | JP19860173394 | 23.07.1986 Original published format: JP 17339486 | [1988/04] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0254553 | Date: | 27.01.1988 | Language: | EN | [1988/04] | Type: | A3 Search report | No.: | EP0254553 | Date: | 30.11.1988 | Language: | EN | [1988/48] | Type: | B1 Patent specification | No.: | EP0254553 | Date: | 13.01.1993 | Language: | EN | [1993/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.10.1988 | Classification | IPC: | G11B7/24, C09B47/073, C09B47/04, C07D487/22, // (C07D487/22, 259:00, 209:00, 209:00, 209:00, 209:00) | [1988/46] | CPC: |
C07F7/025 (EP);
C07F7/1804 (EP);
C09B47/045 (EP);
G11B7/248 (EP)
|
| Former IPC [1988/04] | G11B7/24, C07D487/22, // (C07D487/22, 259:00, 209:00, 209:00, 209:00, 209:00) | Designated contracting states | DE, FR, GB, NL [1988/04] | Title | German: | Optisches Aufzeichnungsmedium | [1988/04] | English: | Optical recording medium | [1988/04] | French: | Médium d'enregistrement optique | [1988/04] | Miscellaneous | EPB 1993/02: Teilanmeldung 92201300.8 eingereicht am 22/07/87 | EPB 1993/02: Divisional application 92201300.8 filed on 22/07/87 | EPB 1993/02: Demande divisionnaire 92201300.8 déposée le 22/07/87 | Examination procedure | 25.03.1989 | Examination requested [1989/21] | 03.08.1990 | Despatch of a communication from the examining division (Time limit: M07) | 18.02.1991 | Reply to a communication from the examining division | 03.09.1991 | Despatch of a communication from the examining division (Time limit: M04) | 09.01.1992 | Reply to a communication from the examining division | 09.03.1992 | Despatch of communication of intention to grant (Approval: Yes) | 30.06.1992 | Communication of intention to grant the patent | 21.09.1992 | Fee for grant paid | 21.09.1992 | Fee for publishing/printing paid | Divisional application(s) | EP92201300.8 / EP0499345 | Opposition(s) | 14.10.1993 | No opposition filed within time limit [1994/01] | Fees paid | Renewal fee | 10.07.1989 | Renewal fee patent year 03 | 17.07.1990 | Renewal fee patent year 04 | 13.07.1991 | Renewal fee patent year 05 | 09.07.1992 | 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. | Documents cited: | Search | [AD]US4492750 ; | [A]US4131609 ; | [XP]EP0191970 | [A] - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 106, no. 24, November 1984, pages 7404-7410, American Chemical Society, Gaston, US; B.L. WHEELER et al.: "A silicon phthalocyanine and a silicon naphthalocyanine: synthesis, electrochemistry, and electrogenerated chemiluminescence" |