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EP0252009
European procedure
Extract from the Register of European Patents
EP About this file: EP0252009
| EP0252009 - 1,4-Distyryl benzene compounds and their mixtures with other 1,4-distyryl benzene compounds [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.06.1991 Database last updated on 28.03.2026 | Most recent event Tooltip | 06.06.1991 | No opposition filed within time limit | published on 24.07.1991 [1991/30] | Applicant(s) | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 4002 Basel / CH | [N/P] |
| Former [1988/01] | For all designated states CIBA-GEIGY AG Klybeckstrasse 141 CH-4002 Basel / CH | Inventor(s) | 01 /
Meyer, Hans Rudolf, Dr. Bollwerkstrasse 102 CH-4102 Binningen / CH | 02 /
Guglielmetti, Leonardo, Dr. Wartenbergstrasse 6 CH-4103 Bottmingen / CH | [1988/01] | Application number, filing date | 87810362.1 | 25.06.1987 | [1988/01] | Priority number, date | CH19860002637 | 01.07.1986 Original published format: CH 263786 | [1988/01] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0252009 | Date: | 07.01.1988 | Language: | DE | [1988/01] | Type: | B1 Patent specification | No.: | EP0252009 | Date: | 01.08.1990 | Language: | DE | [1990/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 06.10.1987 | Classification | IPC: | C07C317/14, D06L3/12, C07C317/24, C07C47/55 | [1990/31] | CPC: |
C07C317/00 (EP,US);
C07C45/68 (EP,US);
C07C47/55 (EP,US);
D06L4/65 (EP,US)
| C-Set: |
C07C45/68, C07C47/55 (EP,US)
|
| Former IPC [1988/01] | C07C147/06, D06L3/12, C07C147/103, C07C47/55 | Designated contracting states | CH, DE, FR, GB, IT, LI [1988/01] | Title | German: | 1,4-Distryrylbenzolverbindungen und deren Mischungen mit anderen 1,4-Distryrylbenzolverbindungen | [1988/01] | English: | 1,4-Distyryl benzene compounds and their mixtures with other 1,4-distyryl benzene compounds | [1988/01] | French: | Composés distyryl-1,4 benzéniques et leurs mélanges avec d'autres composés distyryl-1,4 benzéniques | [1988/01] | Examination procedure | 27.06.1987 | Examination requested [1988/10] | 03.07.1989 | Despatch of a communication from the examining division (Time limit: M04) | 09.08.1989 | Reply to a communication from the examining division | 09.10.1989 | Despatch of communication of intention to grant (Approval: Yes) | 18.01.1990 | Communication of intention to grant the patent | 21.03.1990 | Fee for grant paid | 21.03.1990 | Fee for publishing/printing paid | Opposition(s) | 03.05.1991 | No opposition filed within time limit [1991/30] | Fees paid | Renewal fee | 17.04.1989 | Renewal fee patent year 03 | 07.05.1990 | Renewal fee patent year 04 |
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