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EP0301587
European procedure
Extract from the Register of European Patents
EP About this file: EP0301587
| EP0301587 - Liquid crystal compounds and intermediates thereof [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.05.1993 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 WAKO PURE CHEMICAL INDUSTRIES, LTD. 10, Doshomachi-3-chome Higashi-ku Osaka / JP | For all designated states NIPPON TELEGRAPH AND TELEPHONE CORPORATION 1-6 Uchisaiwaicho 1-chome Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1989/05] | For all designated states WAKO PURE CHEMICAL INDUSTRIES, LTD. 10, Doshomachi-3-chome Higashi-ku Osaka / JP | ||
| For all designated states NIPPON TELEGRAPH AND TELEPHONE CORPORATION 1-6 Uchisaiwaicho 1-chome Chiyoda-ku Tokyo / JP | Inventor(s) | 01 /
Ishibashi, Shigeki c/o Denshi Oyo Kenkyusho of NTT 9-11 Midoricho-3-chome Musashino-shi / JP | 02 /
Nakamura, Kouzaburou Denshi Oyo Kenkyusho of NTT 9-11 Midoricho-3-chome Musashino-shi / JP | 03 /
Maruno, Tohru c/o Denshi Oyo Kenkyusho of NTT 9-11 Midoricho-3-chome Musashino-shi / JP | 04 /
Nakahata, Masaaki c/o Tokyo Kenkyu Honbu Wako Pure Chemical Industries Ltd. 1633 Matoba Kawagoe-shi / JP | 05 /
Negishi, Takaaki c/o Tokyo Kenkyu Honbu Wako Pure Chemical Industries Ltd. 1633 Matoba Kawagoe-shi / JP | 06 /
Urano, Fumiyoshi c/o Tokyo Kenkyu Honbu Wako Pure Chemical Industries Ltd. 1633 Matoba Kawagoe-shi / JP | [1989/05] | Representative(s) | Baillie, Iain Cameron, et al Ladas & Parry, Dachauerstrasse 37 80335 München / DE | [N/P] |
| Former [1989/05] | Baillie, Iain Cameron, et al c/o Ladas & Parry Altheimer Eck 2 D-80331 München / DE | Application number, filing date | 88112365.7 | 29.07.1988 | [1989/05] | Priority number, date | JP19870190193 | 31.07.1987 Original published format: JP 19019387 | [1989/05] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0301587 | Date: | 01.02.1989 | Language: | EN | [1989/05] | Type: | B1 Patent specification | No.: | EP0301587 | Date: | 15.07.1992 | Language: | EN | [1992/29] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 24.11.1988 | Classification | IPC: | C09K19/20, C07C69/76, C07C43/13 | [1989/05] | CPC: |
C07C43/13 (EP,US);
C09K19/2021 (EP,US)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/05] | Title | German: | Flüssigkristalline Verbindungen und Zwischenprodukte davon | [1989/05] | English: | Liquid crystal compounds and intermediates thereof | [1989/05] | French: | Composés cristaux liquides et les intermédiaires pour leur obtention | [1989/05] | Examination procedure | 22.06.1989 | Examination requested [1989/33] | 05.12.1990 | Despatch of a communication from the examining division (Time limit: M06) | 10.06.1991 | Reply to a communication from the examining division | 19.08.1991 | Despatch of a communication from the examining division (Time limit: M02) | 19.08.1991 | Reply to a communication from the examining division | 19.09.1991 | Despatch of communication of intention to grant (Approval: Yes) | 15.01.1992 | Communication of intention to grant the patent | 19.03.1992 | Fee for grant paid | 19.03.1992 | Fee for publishing/printing paid | Opposition(s) | 16.04.1993 | No opposition filed within time limit [1993/27] | Fees paid | Renewal fee | 08.06.1990 | Renewal fee patent year 03 | 19.12.1990 | Renewal fee patent year 04 |
| Opt-out from the exclusive Tooltip competence of the Unified Patent Court | See the Register of the Unified Patent Court for opt-out data | ||
| 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 | AT | 15.07.1992 | BE | 15.07.1992 | ES | 15.07.1992 | GR | 15.07.1992 | IT | 15.07.1992 | NL | 15.07.1992 | SE | 15.07.1992 | [2007/52] |
| Former [2002/24] | AT | 15.07.1992 | |
| BE | 15.07.1992 | ||
| ES | 15.07.1992 | ||
| GR | 15.07.1992 | ||
| IT | 15.07.1992 | ||
| NL | 15.07.1992 | ||
| SE | 15.07.1992 | ||
| Former [2000/04] | AT | 15.07.1992 | |
| BE | 15.07.1992 | ||
| GR | 15.07.1992 | ||
| IT | 15.07.1992 | ||
| NL | 15.07.1992 | ||
| SE | 15.07.1992 | ||
| Former [1999/42] | AT | 15.07.1992 | |
| BE | 15.07.1992 | ||
| IT | 15.07.1992 | ||
| NL | 15.07.1992 | ||
| SE | 15.07.1992 | ||
| Former [1993/16] | AT | 15.07.1992 | |
| BE | 15.07.1992 | ||
| NL | 15.07.1992 | ||
| SE | 15.07.1992 | ||
| Former [1993/15] | AT | 15.07.1992 | |
| NL | 15.07.1992 | ||
| SE | 15.07.1992 | ||
| Former [1993/14] | NL | 15.07.1992 | |
| SE | 15.07.1992 | ||
| Former [1993/11] | SE | 15.07.1992 | Documents cited: | Search | [X]US3843706 (WEIL J, et al); | [X]US3852057 (FINDLEY T, et al); | [Y]EP0168043 (MERCK PATENT GMBH [DE]) | [XP] - CHEMICAL ABSTRACTS, vol. 109, no. 4, 25th July 1988, page 536, abstract no. 30825j, Columbus, Ohio, US; TANIGUCHI HIROKI et al.: "Dependence of spontaneous polarization on orientation and position of several bond moments near chiral parts in ferroelectric liquid cristals", & FERROELECTRICS 1988, 77, 137-44 |