-
EP0327349
European procedure
Extract from the Register of European Patents
EP About this file: EP0327349
| EP0327349 - Liquid crystal compounds [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.02.1997 Database last updated on 12.07.2024 | Most recent event Tooltip | 17.04.2015 | Change - lapse in a contracting state | published on 20.05.2015 [2015/21] | Applicant(s) | For all designated states Showa Shell Sekiyu Kabushiki Kaisha 7-3, Marunouchi 2-chome Chiyoda-ku Tokyo 100 / JP | [1989/32] | Inventor(s) | 01 /
Suzuki, Yoshiichi Showa Shell Sekiyu K.K. 7-3, Marunouchi 2-chome Chiyoda-ku Tokyo / JP | 02 /
Mogamiya, Hiroyuki Showa Shell Sekiyu K.K. 7-3, Marunouchi 2-chome Chiyoda-ku Tokyo / JP | 03 /
Kawamura, Ichiro Showa Shell Sekiyu K.K. 7-3, Marunouchi 2-chome Chiyoda-ku Tokyo / JP | [1989/32] | Representative(s) | Wilson Gunn Blackfriars House The Parsonage 5th Floor Manchester M3 2JA / GB | [N/P] |
| Former [1989/32] | Quest, Barry, et al Wilson, Gunn, M'Caw & Co., 41-51 Royal Exchange, Cross Street Manchester M2 7BD / GB | Application number, filing date | 89300991.0 | 01.02.1989 | [1989/32] | Priority number, date | JP19880021159 | 02.02.1988 Original published format: JP 2115988 | JP19880021160 | 02.02.1988 Original published format: JP 2116088 | [1989/32] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0327349 | Date: | 09.08.1989 | Language: | EN | [1989/32] | Type: | A3 Search report | No.: | EP0327349 | Date: | 30.01.1991 | Language: | EN | [1991/05] | Type: | B1 Patent specification | No.: | EP0327349 | Date: | 10.04.1996 | Language: | EN | [1996/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.12.1990 | Classification | IPC: | C07C69/92, C09K19/20, C07C69/82, C07C69/90, C07C69/94 | [1991/10] | CPC: |
C09K19/0266 (EP);
C09K19/2021 (EP)
|
| Former IPC [1989/32] | C09K19/20 | Designated contracting states | DE, FR, GB [1989/32] | Title | German: | Flüssigkristallverbindungen | [1989/32] | English: | Liquid crystal compounds | [1989/32] | French: | Composés liquides cristallins | [1989/32] | Examination procedure | 28.12.1990 | Examination requested [1991/10] | 26.11.1992 | Despatch of a communication from the examining division (Time limit: M06) | 26.04.1993 | Reply to a communication from the examining division | 13.05.1993 | Despatch of a communication from the examining division (Time limit: M06) | 23.11.1993 | Reply to a communication from the examining division | 13.12.1993 | Despatch of a communication from the examining division (Time limit: M04) | 20.04.1994 | Reply to a communication from the examining division | 05.05.1994 | Despatch of a communication from the examining division (Time limit: M04) | 07.09.1994 | Reply to a communication from the examining division | 27.09.1994 | Despatch of a communication from the examining division (Time limit: M04) | 20.12.1994 | Reply to a communication from the examining division | 20.02.1995 | Despatch of communication of intention to grant (Approval: No) | 19.06.1995 | Despatch of communication of intention to grant (Approval: later approval) | 21.07.1995 | Communication of intention to grant the patent | 02.08.1995 | Fee for grant paid | 02.08.1995 | Fee for publishing/printing paid | Opposition(s) | 11.01.1997 | No opposition filed within time limit [1997/14] | Fees paid | Renewal fee | 17.12.1990 | Renewal fee patent year 03 | 05.02.1992 | Renewal fee patent year 04 | 12.02.1993 | Renewal fee patent year 05 | 08.12.1993 | Renewal fee patent year 06 | 07.12.1994 | Renewal fee patent year 07 | 22.01.1996 | Renewal fee patent year 08 |
| 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. | |||
| Former [1997/14] | FR | 06.09.1996 | Documents cited: | Search | [XP]EP0294852 | [X] - JAPANESE JOURNAL OF APPLIED PHYSICS, vol. 26, part 1, supplement 26-2, 1987, pages 101-103; H. TANGUCHI et al.: "Electrical and optical properties of fluorinated ferroelectric liquid crystal" | [X] - CHEMISTRY EXPRESS, vol. 2, no. 1, 1987, pages 53-56, Kinki Chemical Society, JP; K. YOSHINO et al.: "Fluorinated ferroelectric liquid crystal and its dielectric property" |