EP0110299 - Smectic liquid crystal compounds and liquid crystal compositions [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 23.04.1993 Database last updated on 15.06.2024 | Most recent event Tooltip | 23.04.1993 | Patent maintained (B2 publication) | published on 09.06.1993 [1993/23] | Applicant(s) | For all designated states Hitachi, Ltd. 6, Kanda Surugadai 4-chome Chiyoda-ku Tokyo / JP | For all designated states Chisso Corporation 6-32, Nakanoshima 3-chome Kita-ku Osaka-shi Osaka 530-0055 / JP | [N/P] |
Former [1984/24] | For all designated states HITACHI, LTD. 6, Kanda Surugadai 4-chome Chiyoda-ku, Tokyo 100 / JP | ||
For all designated states Chisso Corporation 6-32, Nakanoshima 3-chome Kita-ku Osaka-shi Osaka-fu / JP | Inventor(s) | 01 /
Isogai, Masato 3-17-2-406, Moriyama-cho Hitachi-shi Ibaraki-ken / JP | 02 /
Hattori, Shintarou Yuhou-ryo, 6-20-3, Ayukawa-cho Hitachi-shi Ibaraki-ken / JP | 03 /
Iwasaki, Kishiro 1288, Kamesaku-cho Hitachiouta-shi Ibaraki-ken / JP | 04 /
Kitamura, Teruo 3600-234, Nakane Katsuta-shi Ibaraki-ken / JP | 05 /
Muko, Akio 498-21, Kasahara-cho Mito-shi Ibaraki-ken / JP | 06 /
Inukai, Takashi 3-4-46, Mori Isogo-ku Yokohama-shi Kanagawa-ken / JP | 07 /
Furukawa, Kenji 1-16-7, Kurihama Yokosuka-shi Kanagawa-ken / JP | 08 /
Saito, Shinichi 10-29, Hirakata-cho Kanazawa-ku Yokohama-shi Kanagawa-ken / JP | 09 /
Terashima, Kanetsugu 10-3, Otsutomo-cho Kanazawa-ku Yokohama-shi Kanagawa-ken / JP | [1984/24] | Representative(s) | Strehl, Peter, et al Patentanwälte Strehl Schübel-Hopf & Partner Maximilianstrasse 54 80538 München / DE | [N/P] |
Former [1985/04] | Strehl, Peter, Dipl.-Ing., et al Patentanwälte Strehl Schübel-Hopf Groening u. Partner Postfach 22 14 55 D-80504 München / DE | ||
Former [1984/24] | Strehl, Peter, Dipl.-Ing. Dipl.-Ing. P. Strehl Dr. U. Schübel-Hopf Dr. R. Schulz Patentanwälte Widenmayerstrasse 17 Postfach 22 03 45 D-8000 München 22 / DE | Application number, filing date | 83111666.0 | 22.11.1983 | [1984/24] | Priority number, date | JP19820206106 | 26.11.1982 Original published format: JP 20610682 | JP19820234561 | 25.12.1982 Original published format: JP 23456182 | JP19830137800 | 29.07.1983 Original published format: JP 13780083 | [1984/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0110299 | Date: | 13.06.1984 | Language: | EN | [1984/24] | Type: | A3 Search report | No.: | EP0110299 | Date: | 12.03.1986 | Language: | EN | [1986/11] | Type: | B1 Patent specification | No.: | EP0110299 | Date: | 29.06.1988 | Language: | EN | [1988/26] | Type: | B2 New European patent specification | No.: | EP0110299 | Date: | 09.06.1993 | Language: | EN | [1993/23] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.01.1986 | Classification | IPC: | C09K19/10 | [1988/26] | CPC: |
C09K19/2021 (EP,US);
C09K19/10 (KR);
C09K19/126 (EP,US);
C09K19/20 (EP,US);
C09K19/22 (EP,US);
C09K19/48 (EP,US);
C09K19/603 (EP,US)
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Former IPC [1984/24] | C09K3/34 | Designated contracting states | CH, DE, GB, LI [1984/24] | Title | German: | Smektische Flüssigkristallverbindungen und Flüssigkristallzusammensetzungen | [1984/24] | English: | Smectic liquid crystal compounds and liquid crystal compositions | [1984/24] | French: | Composés cristaux liquides smectiques et compositions de cristaux liquides | [1984/24] | Examination procedure | 20.12.1984 | Examination requested [1985/11] | 10.08.1987 | Despatch of communication of intention to grant (Approval: ) | 20.11.1987 | Communication of intention to grant the patent | 26.02.1988 | Fee for grant paid | 26.02.1988 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
21.03.1989
16.06.1989
ADMISSIBLE The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland Whitehall London SW1A 2HB / GB Opponent's representative Beckham, Robert William, et al, et al D/IPR (DERA) Formalities Poplar 2 MoD Abbey Wood 19 Bristol BS34 8JH / GB | [N/P] |
Former [1989/22] | |||
Opponent(s) | 01
21.03.1989
16.06.1989
ADMISSIBLE The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland Whitehall London SW1A 2HB / GB Opponent's representative Beckham, Robert William Defence Research Agency Intellectual Property Department DRA Farnborough R69 Building Farnborough, Hants. GU14 6TD / GB | 24.07.1989 | Invitation to proprietor to file observations on the notice of opposition | 03.04.1990 | Reply of patent proprietor to notice(s) of opposition | 12.04.1990 | Communication of observations of patent proprietor (Time limit: M04) | 08.08.1990 | Reply of parties involved to observations of patent proprietor | 24.10.1990 | Despatch of a communication from the opposition division (Time limit: M06) | 24.04.1991 | Reply to a communication from the opposition division | 27.11.1991 | Date of oral proceedings | 05.02.1992 | Despatch of a communication from the opposition division (Time limit: M02) | 05.02.1992 | Despatch of minutes of oral proceedings | 02.06.1992 | Despatch of interlocutory decision in opposition | 12.06.1992 | Legal effect of interlocutory decision in opposition | 10.09.1992 | Despatch of communication that the patent will be maintained as amended | 21.12.1992 | Fee for printing new specification paid | Fees paid | Renewal fee | 28.11.1985 | Renewal fee patent year 03 | 28.11.1986 | Renewal fee patent year 04 | 30.11.1987 | Renewal fee patent year 05 |
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