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EP0492232
European procedure
Extract from the Register of European Patents
EP About this file: EP0492232
| EP0492232 - Method for producing benzothioxanthen dyestuffs [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.05.1996 Database last updated on 27.07.2024 | Most recent event Tooltip | 31.05.1996 | No opposition filed within time limit | published on 17.07.1996 [1996/29] | Applicant(s) | For all designated states HOECHST AKTIENGESELLSCHAFT 65926 Frankfurt am Main / DE | [N/P] |
| Former [1995/50] | For all designated states HOECHST AKTIENGESELLSCHAFT D-65926 Frankfurt am Main / DE | ||
| Former [1995/01] | For all designated states CASSELLA Aktiengesellschaft Hanauer Landstrasse 526 D-60386 Frankfurt / DE | ||
| Former [1992/27] | For all designated states CASSELLA Aktiengesellschaft Hanauer Landstrasse 526 D-60386 Frankfurt / DE | Inventor(s) | 01 /
Bauer, Wolfgang, Dr. Masurenstrasse 6 W-6457 Maintal 3 / DE | 02 /
Grimm, Eberhard, Dr. Schopenhauerstrasse 15 W-6050 Offenbach / DE | 03 /
Nickel, Uwe, Dr. Hasselmannring 22 W-6380 Bad Homburg / DE | 04 /
Schrod, Manfred, Dr. Gross-Gerauerstrasse 54 d W-6108 Weiterstadt / DE | 05 /
Wille, Herbert, Dr. Hünfelderstrasse 61 W-6000 Frankfurt am Main 60 / DE | [1992/27] | Representative(s) | (deleted) | [1995/50] |
| Former [1994/38] | Muley, Ralf, Dr. Cassella AG, Patentabteilung, Hanauer Landstrasse 526 D-60386 Frankfurt / DE | ||
| Former [1993/17] | Urbach, Hans-Georg, Dr. CASSELLA AKTIENGESELLSCHAFT, Patentabteilung, Hanauer Landstrasse 526 D-60386 Frankfurt / DE | ||
| Former [1992/27] | Urbach, Hans-Georg, Dr. CASSELLA AKTIENGESELLSCHAFT Patentabteilung Hanauer Landstrasse 526 D-60386 Frankfurt / DE | Application number, filing date | 91121034.2 | 09.12.1991 | [1992/27] | Priority number, date | DE19904041853 | 24.12.1990 Original published format: DE 4041853 | [1992/27] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0492232 | Date: | 01.07.1992 | Language: | DE | [1992/27] | Type: | B1 Patent specification | No.: | EP0492232 | Date: | 26.07.1995 | Language: | DE | [1995/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 29.04.1992 | Classification | IPC: | C09B57/14, C09B5/24, C09B5/00 | [1992/27] | CPC: |
C09B5/006 (EP,US);
C09B5/00 (KR);
C09B5/2427 (EP,US);
C09B57/14 (EP,US)
| Designated contracting states | CH, DE, FR, GB, IT, LI [1992/27] | Title | German: | Verfahren zur Herstellung von Benzothioxanthen-Farbstoffen | [1992/27] | English: | Method for producing benzothioxanthen dyestuffs | [1992/27] | French: | Procédé pour préparer des colorants du type benzothioxanthène | [1992/27] | Examination procedure | 01.07.1992 | Examination requested [1992/36] | 04.07.1994 | Despatch of a communication from the examining division (Time limit: M04) | 30.07.1994 | Reply to a communication from the examining division | 19.09.1994 | Despatch of communication of intention to grant (Approval: No) | 19.01.1995 | Despatch of communication of intention to grant (Approval: later approval) | 27.01.1995 | Communication of intention to grant the patent | 08.05.1995 | Fee for grant paid | 08.05.1995 | Fee for publishing/printing paid | Opposition(s) | 27.04.1996 | No opposition filed within time limit [1996/29] | Fees paid | Renewal fee | 09.12.1993 | Renewal fee patent year 03 | 02.01.1995 | 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 | [AD]DE2134517 ; | [AD]DE1293939 (HOECHST AG); | [AD]FR2145992 (HOECHST AG) | [A] - PATENT ABSTRACTS OF JAPAN vol. 10, no. 355 (C-388)(2411) 29. November 1986 | [A] - DYES AND PIGMENTS. Bd. 3, Nr. 1, 1982, BARKING GB Seiten 59 - 69; F. M. CARLINI; C. PAFFONI; G. BOFFA: 'NEW DAYLIGHT FLUORESCENT PIGMENTS' | Examination | - CARLINI; C. PAFFONI; G. BOFFA: 'NEW DAYLIGHT FLUORESCENT PIGMENTS' |