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EP0438666
European procedure
Extract from the Register of European Patents
EP About this file: EP0438666
| EP0438666 - Reactor for the preparation of vinylchlorosilanes from vinylchloride and chlorosilanes et elevated temperature [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.11.1995 Database last updated on 26.04.2025 | Most recent event Tooltip | 11.11.1995 | No opposition filed within time limit | published on 03.01.1996 [1996/01] | Applicant(s) | For all designated states HÜLS AKTIENGESELLSCHAFT 45764 Marl / DE | [N/P] |
| Former [1991/31] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | Inventor(s) | 01 /
Hange, Willy Mühlenstrasse 9 W-7851 Wittlingen / DE | 02 /
Dietsche, Helmut Talstrasse 14 W-7888 Rheinfelden / DE | 03 /
Seiler, Claus-Dietrich, Dr. In der Klus 10 W-7888 Rheinfelden / DE | [1991/31] | Application number, filing date | 90122508.6 | 26.11.1990 | [1991/31] | Priority number, date | DE19904001820 | 23.01.1990 Original published format: DE 4001820 | [1991/31] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0438666 | Date: | 31.07.1991 | Language: | DE | [1991/31] | Type: | A3 Search report | No.: | EP0438666 | Date: | 02.10.1991 | Language: | DE | [1991/40] | Type: | B1 Patent specification | No.: | EP0438666 | Date: | 11.01.1995 | Language: | DE | [1995/02] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 09.08.1991 | Classification | IPC: | C07F7/12, B01J12/00 | [1995/02] | CPC: |
C07F7/122 (EP,US)
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| Former IPC [1991/31] | C07F7/12 | Designated contracting states | BE, DE, FR, GB, IT [1991/31] | Title | German: | Reaktor zur Herstellung von Vinylchlorsilanen durch Umsetzung von Vinylchlorid mit Chlorsilanen bei erhöhter Temperatur | [1991/31] | English: | Reactor for the preparation of vinylchlorosilanes from vinylchloride and chlorosilanes et elevated temperature | [1991/31] | French: | Réacteur pour la préparation de vinylchlorosilanes à partir de chlorure de vinyle et chlorosilanes à température élevée | [1991/31] | Examination procedure | 17.12.1990 | Examination requested [1991/31] | 08.03.1994 | Despatch of a communication from the examining division (Time limit: M04) | 17.05.1994 | Reply to a communication from the examining division | 14.06.1994 | Despatch of communication of intention to grant (Approval: Yes) | 11.07.1994 | Communication of intention to grant the patent | 10.09.1994 | Fee for grant paid | 10.09.1994 | Fee for publishing/printing paid | Opposition(s) | 12.10.1995 | No opposition filed within time limit [1996/01] | Fees paid | Renewal fee | 17.10.1992 | Renewal fee patent year 03 | 25.10.1993 | Renewal fee patent year 04 | 05.11.1994 | Renewal fee patent year 05 |
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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]FR2173833 (UNION CARBIDE CORP [US]); | [AD]DE2210189 (UNION CARBIDE CORP) | [X] - DEPOSITED DOCUMENT, 1982, SPSTL 458, Khp-D828 & CHEMICAL ABSTRACTS, Band 99, 1983, Seite 606, Zusammenfassung Nr. 140014b, Columbus, Ohio, US, M.M. FLORENTSEV et al.: 'Mathematical modeling of an industrial process for the synthesis of vinyltrichlorosilane', & DEPOSITED DOC. 1982, SPSTL 458, Khp-D82, 24pp | [A] - JOURNAL OF APPLIED CHEMISTRY, Band 57, Nr. 2, Teil 2, Februar 1984, Seiten 343 - 347; M.M. FLORENTSEV et al.: "Thermodynamics and kinetics of process for obtaining vinyltrichlorosilane by thermal condensation" | [A] - CHEMICAL ABSTRACTS, Band 80, 1974, Seite 493, Zusammenfassung Nr. 133541a, Columbus, Ohio, US; V.F. MIRONOV et al.: "Preparation of vinylsilanes by high-temperature condensation in presence of Freons", & ZH. OBSHCH. KHIM. 1974, 44(3), 708 |