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EP0597376
European procedure
Extract from the Register of European Patents
EP About this file: EP0597376
| EP0597376 - 3,3'-Dichlorobenzidine-dihydrochloride stable suspension [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 23.08.1996 Database last updated on 30.07.2024 | Most recent event Tooltip | 23.08.1996 | No opposition filed within time limit | published on 09.10.1996 [1996/41] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT Brüningstrasse 50 65929 Frankfurt am Main / DE | [N/P] |
| Former [1994/20] | For all designated states HOECHST AKTIENGESELLSCHAFT Brüningstrasse 50 D-65929 Frankfurt am Main / DE | Inventor(s) | 01 /
Steidl, Dieter Ulmenstrasse 8 D-65719 Hofheim am Taunus / DE | 02 /
Dopfer, Peter Albert-Blank-Strasse 34a D-65931 Frankfurt am Main / DE | 03 /
Ebertz, Wolfgang, Dr.rer.net. Elektronstrasse 2 D-65933 Frankfurt am Main / DE | 04 /
Schutt, Ernst Jungmannstrasse 13 D-64546 Mörfelden / DE | [1994/20] | Application number, filing date | 93117816.4 | 03.11.1993 | [1994/20] | Priority number, date | DE19924237816 | 10.11.1992 Original published format: DE 4237816 | [1994/20] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0597376 | Date: | 18.05.1994 | Language: | DE | [1994/20] | Type: | B1 Patent specification | No.: | EP0597376 | Date: | 18.10.1995 | Language: | DE | [1995/42] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 11.02.1994 | Classification | IPC: | C07C209/90, C07C211/52 | [1994/20] | CPC: |
C07C209/90 (EP,US)
| Designated contracting states | DE, DK, FR, GB, IT [1994/20] | Title | German: | Stabile 3,3'-Dichlorbenzidin-Dihydrochlorid-Suspension | [1994/20] | English: | 3,3'-Dichlorobenzidine-dihydrochloride stable suspension | [1994/20] | French: | Suspension de dihydrochlorure de 3,3'-dichlorobenzidine stable | [1994/20] | Examination procedure | 09.06.1994 | Examination requested [1994/32] | 09.06.1994 | Request for accelerated examination filed | 10.08.1994 | Decision about request for accelerated examination - accepted: No | 20.12.1994 | Despatch of communication of intention to grant (Approval: Yes) | 18.04.1995 | Communication of intention to grant the patent | 28.07.1995 | Fee for grant paid | 28.07.1995 | Fee for publishing/printing paid | Opposition(s) | 19.07.1996 | No opposition filed within time limit [1996/41] |
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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 | [A]JP1042456 ; | [AD]US4559160 (SCHULTZ STEVEN C [US]); | [A]WO9107377 (HOECHST AG [DE]) | [A] - DATABASE WPI Week 8912, Derwent Publications Ltd., London, GB; AN 89-090832 & JP-A-1 042 456 (WAKAYAMA SEIKA KOGY), & JP1042456 A 00000000 |