EP0215606 - Process for producing silanes [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.03.1991 Database last updated on 31.08.2024 | Most recent event Tooltip | 20.04.1991 | Lapse of the patent in a contracting state New state(s): BE | published on 12.06.1991 [1991/24] | Applicant(s) | For all designated states MITSUI TOATSU CHEMICALS INC. No. 2-5, Kasumigaseki 3-chome Chiyoda-Ku Tokyo 100 / JP | [1987/13] | Inventor(s) | 01 /
Itoh, Masayoshi 58-3, Nagaodai-cho Totsuka-ku Yokohama-shi Kanagawa-ken / JP | 02 /
Miyagawa, Hiroharu 26-12, Noshichiri, 1-chome Totsuka-ku Yokohama-shi Kanagawa-ken / JP | 03 /
Murakami, Masami 4-10-8, Hisagi Zushi-shi Kanagawa-ken / JP | 04 /
Abe, Tomohiro 5-11-5, Ikegami Yokosuka-shi Kanagawa-ken / JP | 05 /
Inoue, Kaoru 1541, Yabe-cho Totsuka-ku Yokohama-shi Kanagawa-ken / JP | 06 /
Ikeda, Keiichi 4-13-13, Nakakaigan Chigasaki-shi Kanagawa-ken / JP | [1987/13] | Representative(s) | Stuart, Ian Alexander, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
Former [1987/13] | Stuart, Ian Alexander, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 86306767.4 | 02.09.1986 | [1987/13] | Priority number, date | JP19850193250 | 03.09.1985 Original published format: JP 19325085 | JP19850193251 | 03.09.1985 Original published format: JP 19325185 | JP19850193252 | 03.09.1985 Original published format: JP 19325285 | JP19850193253 | 03.09.1985 Original published format: JP 19325385 | JP19850193254 | 03.09.1985 Original published format: JP 19325485 | [1987/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0215606 | Date: | 25.03.1987 | Language: | EN | [1987/13] | Type: | A3 Search report | No.: | EP0215606 | Date: | 20.05.1987 | Language: | EN | [1987/21] | Type: | B1 Patent specification | No.: | EP0215606 | Date: | 16.05.1990 | Language: | EN | [1990/20] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.04.1987 | Classification | IPC: | C01B33/04, C01B6/00, C01B6/06, C01B25/06 | [1987/13] | CPC: |
C01B33/04 (EP,KR,US);
C01B25/06 (EP,US);
C01B33/043 (EP,US);
C01B6/00 (EP,US);
C01B6/06 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1987/13] | Title | German: | Verfahren zum Herstellen von Silanen | [1987/13] | English: | Process for producing silanes | [1987/13] | French: | Procédé de préparation de silanes | [1987/13] | Examination procedure | 08.08.1987 | Examination requested [1987/42] | 27.10.1988 | Despatch of a communication from the examining division (Time limit: M04) | 07.06.1989 | Reply to a communication from the examining division | 31.07.1989 | Despatch of communication of intention to grant (Approval: Yes) | 20.11.1989 | Communication of intention to grant the patent | 05.02.1990 | Fee for grant paid | 05.02.1990 | Fee for publishing/printing paid | Opposition(s) | 19.02.1991 | No opposition filed within time limit [1991/18] | Request for further processing for: | 07.06.1989 | Request for further processing filed | 07.06.1989 | Full payment received (date of receipt of payment) Request granted | 08.08.1989 | Decision despatched | Fees paid | Renewal fee | 19.09.1988 | Renewal fee patent year 03 | 22.09.1989 | 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. | Lapses during opposition Tooltip | BE | 16.05.1990 | NL | 16.05.1990 | [1991/24] |
Former [1991/18] | NL | 16.05.1990 | Documents cited: | Search | [A]DE926069 (METALLGESELLSCHAFT AG); | [A]GB946105 (ISHIZUKA HIROSHI) | [AD] - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 57, no. 7, July 10, 1935, pages 1349-1353; Gaston, US, W.C. JOHNSON et al. "Hydrogen compounds of silicon I. The preparation of mono- and disilane" |