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EP0193739
European procedure
Extract from the Register of European Patents
EP About this file: EP0193739
| EP0193739 - Process for the preparation of aminosilanes [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.12.1989 Database last updated on 27.07.2024 | Most recent event Tooltip | 17.04.2015 | Change - lapse in a contracting state | published on 20.05.2015 [2015/21] | Applicant(s) | For all designated states BAYER AG 51368 Leverkusen / DE | [N/P] |
| Former [1986/37] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Endres, Robert, Dr. Kalmüntener Strasse 8 D-5060 Begisch-Gladbach 2 / DE | 02 /
De Montigny, Armand, Dr. Walter-Flex-Strasse 17 D-5090 Leverkusen 1 / DE | [1986/37] | Application number, filing date | 86101350.6 | 03.02.1986 | [1986/37] | Priority number, date | DE19853504644 | 12.02.1985 Original published format: DE 3504644 | [1986/37] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0193739 | Date: | 10.09.1986 | Language: | DE | [1986/37] | Type: | B1 Patent specification | No.: | EP0193739 | Date: | 15.02.1989 | Language: | DE | [1989/07] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 16.07.1986 | Classification | IPC: | C07F7/18, C07F9/10 | [1986/37] | CPC: |
C07F7/10 (EP,US);
C07F7/1804 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1986/37] | Title | German: | Verfahren zur Herstellung von Amidosilanen | [1986/37] | English: | Process for the preparation of aminosilanes | [1986/37] | French: | Procédé pour la préparation d'amidosilanes | [1986/37] | Examination procedure | 03.02.1986 | Examination requested [1986/37] | 02.11.1987 | Despatch of a communication from the examining division (Time limit: M05) | 07.04.1988 | Reply to a communication from the examining division | 21.07.1988 | Despatch of communication of intention to grant (Approval: Yes) | 26.08.1988 | Communication of intention to grant the patent | 01.10.1988 | Fee for grant paid | 01.10.1988 | Fee for publishing/printing paid | Opposition(s) | 16.11.1989 | No opposition filed within time limit [1990/06] | Fees paid | Renewal fee | 21.01.1988 | Renewal fee patent year 03 | 23.01.1989 | Renewal fee patent year 04 |
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| Former [1989/39] | BE | 28.02.1989 | Documents cited: | Search | [AD]US3776933 (TOPORCER L, et al) | [X] - CHEMICAL ABSTRACTS, Band 71, Nr. 9, 1. September 1969, Seite 310, Nr. 39069v, Columbus, Ohio, US; L.K. MASLII et al.: "Silicon-containing amides. IV. Reaction of sodium ethylacetamide with methyldialkoxychloremethylsilanes" & ZH. OBSHCH. KHIM. 1968, 38(11), 2582-5 | Examination | - Elias H.G., "Makromoleküle: Struktur und Eigenschaffen", ISBN 3-7785-0677-3, Seite 903 |