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EP0748790
European procedure
Extract from the Register of European Patents
EP About this file: EP0748790
| EP0748790 - Process and catalyst for the preparation of aromatic amines by hydrogenation in the gas phase [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 18.08.2000 Database last updated on 10.03.2026 | Most recent event Tooltip | 18.08.2000 | No opposition filed within time limit | published on 04.10.2000 [2000/40] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [1996/51] | Inventor(s) | 01 /
Langer, Reinhard, Dr. Scheiblerstrasse 111 47800 Krefeld / DE | 02 /
Buysch, Hans-Josef, Dr. Brandenburger Strasse 28 47809 Krefeld / DE | 03 /
Pentling, Ursula, Dr. Markscheiderweg 8 47239 Duisburg / DE | [1996/51] | Application number, filing date | 96108856.4 | 03.06.1996 | [1996/51] | Priority number, date | DE1995121587 | 14.06.1995 Original published format: DE 19521587 | [1996/51] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0748790 | Date: | 18.12.1996 | Language: | DE | [1996/51] | Type: | A3 Search report | No.: | EP0748790 | Date: | 08.04.1998 | [1998/15] | Type: | B1 Patent specification | No.: | EP0748790 | Date: | 20.10.1999 | Language: | DE | [1999/42] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.02.1998 | Classification | IPC: | C07C209/36, B01J23/62, B01J21/18, B01J23/44 | [1998/12] | CPC: |
C07C209/36 (EP,US);
C07C209/32 (KR);
B01J23/628 (EP,US)
| C-Set: |
C07C209/36, C07C211/46 (EP,US)
|
| Former IPC [1996/51] | C07C209/36, B01J23/62 | Designated contracting states | BE, CH, DE, ES, FR, GB, IT, LI, NL, PT, SE [1996/51] | Extension states | SI | 03.06.1996 | Title | German: | Verfahren und Katalysator zur Herstellung von aromatischen Aminen durch Gasphasenhydrierung | [1996/51] | English: | Process and catalyst for the preparation of aromatic amines by hydrogenation in the gas phase | [1996/51] | French: | Procédé et catalyseur pour la préparation d'amines aromatiques par hydrogénation en phase gazeuse | [1996/51] | Examination procedure | 08.10.1998 | Examination requested [1998/50] | 01.04.1999 | Despatch of communication of intention to grant (Approval: Yes) | 20.04.1999 | Communication of intention to grant the patent | 30.07.1999 | Fee for grant paid | 30.07.1999 | Fee for publishing/printing paid | Opposition(s) | 21.07.2000 | No opposition filed within time limit [2000/40] | Fees paid | Renewal fee | 30.06.1998 | Renewal fee patent year 03 | 30.06.1999 | Renewal fee patent year 04 |
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