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EP0350842
European procedure
Extract from the Register of European Patents
EP About this file: EP0350842
| EP0350842 - Pyramidal liquid crystals [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.09.1993 Database last updated on 03.01.2025 | Most recent event Tooltip | 19.06.2009 | Change - representative | published on 22.07.2009 [2009/30] | Applicant(s) | For all designated states Montedison S.p.A. 31, Foro Buonaparte I-20100 Milan / IT | [N/P] |
| Former [1990/03] | For all designated states MONTEDISON S.p.A. 31, Foro Buonaparte I-20100 Milan / IT | Inventor(s) | 01 /
Dalcanale, Enrico 28, via Turbigo I-28067 Pernate Novara / IT | 02 /
Bonsignore, Stefanio 8, via Bergamo I-28100 Novara / IT | 03 /
Cometti, Giuseppe 14, via Crocetta I-28048 Verbania-Pallanza Novara / IT | 04 /
Du Vosel, Annick 2, Cascina Molinaccio I-28100 Caltignaga, Novara / IT | [1990/03] | Representative(s) | Barz, Peter, et al Schmied-Kowarzik & Partner Patentanwälte Siegfriedstrasse 8 80803 München / DE | [N/P] |
| Former [2009/30] | Barz, Peter, et al Schmied-Kowarzik & Partner Patentanwälte Siegfriedstrasse 8 80803 München / DE | ||
| Former [1990/03] | Barz, Peter, Dr., et al Patentanwälte Dipl.-Ing. G. Dannenberg Dr. P. Weinhold, Dr. D. Gudel Dipl.-Ing. S. Schubert, Dr. P. Barz Siegfriedstrasse 8 D-80803 München / DE | Application number, filing date | 89112598.1 | 10.07.1989 | [1990/03] | Priority number, date | IT19880021308 | 11.07.1988 Original published format: IT 2130888 | [1990/03] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0350842 | Date: | 17.01.1990 | Language: | EN | [1990/03] | Type: | A3 Search report | No.: | EP0350842 | Date: | 16.05.1990 | Language: | EN | [1990/20] | Type: | B1 Patent specification | No.: | EP0350842 | Date: | 11.11.1992 | Language: | EN | [1992/46] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 27.03.1990 | Classification | IPC: | C09K19/32, C07C69/33, C07C69/92 | [1990/22] | CPC: |
C09K19/32 (EP);
C07C37/115 (EP);
C07C2603/92 (EP)
| C-Set: |
C07C37/115, C07C39/17 (EP)
|
| Former IPC [1990/03] | C09K19/32 | Designated contracting states | CH, DE, ES, FR, GB, LI, NL, SE [1990/03] | Title | German: | Pyramidenförmige Flüssigkristalle | [1990/03] | English: | Pyramidal liquid crystals | [1990/03] | French: | Cristaux liquides pyramidaux | [1990/03] | Examination procedure | 18.10.1990 | Examination requested [1990/50] | 06.04.1992 | Despatch of communication of intention to grant (Approval: Yes) | 14.05.1992 | Communication of intention to grant the patent | 20.08.1992 | Fee for grant paid | 20.08.1992 | Fee for publishing/printing paid | Opposition(s) | 12.08.1993 | No opposition filed within time limit [1993/44] | Fees paid | Renewal fee | 13.07.1991 | Renewal fee patent year 03 | 09.07.1992 | Renewal fee patent year 04 |
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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 | [XP]EP0300800 (MONTEDISON SPA [IT]) |