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EP0347944
European procedure
Extract from the Register of European Patents
EP About this file: EP0347944
| EP0347944 - Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 03.01.1996 Database last updated on 28.06.2024 | Most recent event Tooltip | 23.12.1999 | Lapse of the patent in a contracting state New state(s): GR, LU | published on 09.02.2000 [2000/06] | Applicant(s) | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | [N/P] |
| Former [1989/52] | For all designated states CANON KABUSHIKI KAISHA 30-2, 3-chome, Shimomaruko, Ohta-ku Tokyo / JP | Inventor(s) | 01 /
Shinjo, Kenji Canon-ryo, 2-10-1 Asahicho Atsugi-shi Kanagawa-ken / JP | 02 /
Takiguchi, Takao 1-10-2 Kyuden Setagaya-ku Tokyo / JP | 03 /
Kitayama, Hiroyuki 2425-4 Shinomiya Hiratsuka-shi Kanagawa-ken / JP | 04 /
Katagiri, Kazuharu 5-9-16-2 Ochiai Tama-shi Tokyo / JP | 05 /
Yamashita, Masataka 1-20-24-102 Nakahara Hiratsuka-shi Kanagawa-ken / JP | 06 /
Terada, Masahiro 381-1-9-1 Hase Atsugi-shi Kanagawa-ken / JP | 07 /
Togano, Takeshi 1-28-12 Gontazaka Hodogaya-ku Yokohama-shi Kanagawa-ken / JP | 08 /
Asaoka, Masanobu 4-1-4 Sasage Kohnan-ku Yokohama-shi Kanagawa-ken / JP | [1989/52] | Representative(s) | Bühling, Gerhard, et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 80336 München / DE | [N/P] |
| Former [1994/08] | Bühling, Gerhard, Dipl.-Chem., et al Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE | ||
| Former [1989/52] | Bühling, Gerhard, Dipl.-Chem. Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4 D-80336 München / DE | Application number, filing date | 89111494.4 | 23.06.1989 | [1989/52] | Priority number, date | JP19880157675 | 24.06.1988 Original published format: JP 15767588 | JP19880188109 | 29.07.1988 Original published format: JP 18810988 | JP19890147989 | 09.06.1989 Original published format: JP 14798989 | [1989/52] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0347944 | Date: | 27.12.1989 | Language: | EN | [1989/52] | Type: | A3 Search report | No.: | EP0347944 | Date: | 09.10.1991 | Language: | EN | [1991/41] | Type: | B1 Patent specification | No.: | EP0347944 | Date: | 01.02.1995 | Language: | EN | [1995/05] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.08.1991 | Classification | IPC: | C09K19/42, C09K19/46 | [1991/44] | CPC: |
C07D271/10 (EP,US);
C07D285/12 (EP,US);
C09K19/345 (EP,US);
C09K19/3455 (EP,US);
C09K19/3463 (EP,US);
C09K19/348 (EP,US);
|
| Former IPC [1989/52] | C09K19/42 | Designated contracting states | AT, BE, CH, DE, ES, FR, GB, GR, IT, LI, LU, NL, SE [1989/52] | Title | German: | Ferroelektrische chirale smektische Flüssigkristallzusammensetzung und Vorrichtung mit dieser Zusammensetzung | [1989/52] | English: | Ferroelectric chiral smectic liquid crystal composition and liquid crystal device using same | [1989/52] | French: | Composition liquide cristalliné ferro-électrique chirale smectique et dispositif l'utilisant | [1989/52] | Examination procedure | 23.06.1989 | Examination requested [1989/52] | 19.03.1992 | Despatch of a communication from the examining division (Time limit: M08) | 25.11.1992 | Reply to a communication from the examining division | 23.12.1992 | Despatch of a communication from the examining division (Time limit: M04) | 29.06.1993 | Reply to a communication from the examining division | 12.07.1993 | Despatch of a communication from the examining division (Time limit: M05) | 21.12.1993 | Reply to a communication from the examining division | 09.03.1994 | Despatch of communication of intention to grant (Approval: No) | 22.07.1994 | Despatch of communication of intention to grant (Approval: later approval) | 02.08.1994 | Communication of intention to grant the patent | 07.11.1994 | Fee for grant paid | 07.11.1994 | Fee for publishing/printing paid | Opposition(s) | 03.11.1995 | No opposition filed within time limit [1996/04] | Fees paid | Renewal fee | 21.12.1990 | Renewal fee patent year 03 | 26.06.1992 | Renewal fee patent year 04 | 25.06.1993 | Renewal fee patent year 05 | 27.06.1994 | Renewal fee patent year 06 |
| 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 | 01.02.1995 | BE | 01.02.1995 | GR | 01.02.1995 | LU | 30.06.1995 | [2000/04] |
| Former [1996/04] | AT | 01.02.1995 | |
| BE | 01.02.1995 | ||
| Former [1995/40] | AT | 01.02.1995 | Documents cited: | Search | [X]WO8606373 (MERCK PATENT GMBH [DE]); | [X]EP0237007 (CANON KK [JP]); | [Y]EP0255962 (CANON KK [JP]); | [X]EP0267585 (CANON KK [JP]); | [YP]EP0278665 (CHISSO CORP [JP]); | [YP]EP0315958 (CANON KK [JP]) |