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EP0159186
European procedure
Extract from the Register of European Patents
EP About this file: EP0159186
| EP0159186 - Method manufacturing high-strength sintered silicon carbide articles [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 31.05.1990 Database last updated on 31.08.2024 | Most recent event Tooltip | 31.05.1990 | No opposition filed within time limit | published on 18.07.1990 [1990/29] | Applicant(s) | For all designated states Sumitomo Chemical Company, Limited 5-33, Kitahama 4-chome Chuo-ku Osaka 541-8550 / JP | [N/P] |
| Former [1987/20] | For all designated states SUMITOMO CHEMICAL COMPANY, LIMITED Kitahama 4-chome 5-33 Chuo-ku Osaka 541 / JP | ||
| Former [1985/43] | For all designated states Sumitomo Aluminium Smelting Company Limited No. 15, Kitahama 5-chome Higashi-ku Osaka-shi Osaka-fu / JP | Inventor(s) | 01 /
Yamada, Koichi 8-7 Hishigoecho Niihama Ehime-ken / JP | 02 /
Mouri, Masahide 2-2-237 Ikkucho Niihama Ehime-ken / JP | 03 /
Nomura, Yoshisaburo 782-1, Kaburazaki Doi-cho Uma-gun Ehime-ken / JP | [1989/30] |
| Former [1985/43] | 01 /
Yamada, Koichi 8-7 Hishigoecho Niihama Ehime-ken / JP | ||
| 02 /
Mouri, Masahide 2-2-237 Ikkucho Niihama Ehime-ken / JP | |||
| 03 /
Nomura, Yoshisaburo 782-1, Kaburayaki Doi-cho Uma-gun Ehime-ken / JP | Representative(s) | Geering, Keith Edwin, et al Reddie & Grose 16 Theobalds Road London WC1X 8PL / GB | [N/P] |
| Former [1985/43] | Geering, Keith Edwin, et al REDDIE & GROSE 16 Theobalds Road London WC1X 8PL / GB | Application number, filing date | 85302633.4 | 15.04.1985 | [1985/43] | Priority number, date | JP19840074228 | 13.04.1984 Original published format: JP 7422884 | [1985/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0159186 | Date: | 23.10.1985 | Language: | EN | [1985/43] | Type: | A3 Search report | No.: | EP0159186 | Date: | 15.01.1986 | Language: | EN | [1986/03] | Type: | B1 Patent specification | No.: | EP0159186 | Date: | 26.07.1989 | Language: | EN | [1989/30] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 13.11.1985 | Classification | IPC: | C04B35/56 | [1985/43] | CPC: |
C04B35/573 (EP,US);
Y10S75/95 (US)
| Designated contracting states | CH, DE, FR, GB, LI, SE [1985/43] | Title | German: | Verfahren zur Herstellung von Siliziumcarbid-Sinterkörpern mit hoher Festigkeit | [1985/43] | English: | Method manufacturing high-strength sintered silicon carbide articles | [1985/43] | French: | Procédé de fabrication de corps frittés en carbure de silicium à haute résistance mécanique | [1985/43] | File destroyed: | 20.04.2002 | Examination procedure | 16.06.1986 | Examination requested [1986/34] | 10.08.1987 | Despatch of a communication from the examining division (Time limit: M06) | 22.02.1988 | Reply to a communication from the examining division | 14.04.1988 | Despatch of communication of intention to grant (Approval: No) | 06.09.1988 | Despatch of communication of intention to grant (Approval: later approval) | 15.09.1988 | Communication of intention to grant the patent | 24.11.1988 | Fee for grant paid | 24.11.1988 | Fee for publishing/printing paid | Opposition(s) | 27.04.1990 | No opposition filed within time limit [1990/29] | Fees paid | Renewal fee | 24.04.1987 | Renewal fee patent year 03 | 26.04.1988 | Renewal fee patent year 04 | 25.04.1989 | 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 | [Y]JP81100167 ; | [YP]JP6036375 ; | [A]JP5918164 ; | [Y]US4312954 (COPPOLA JOHN A, et al) | [Y] - CHEMICAL ABSTRACTS, vol. 96, no. 6, February 1982, page 293, no. 39708u, Columbus, Ohio, US; & JP - A - 81 100 167 (NATIONAL INSTITUTE FOR RESEARCH IN INORGANIC MATERIALS) 11-08-1981, & JP81100167 A 00000000 | [YP] - CHEMICAL ABSTRACTS, vol. 103, no. 8, 26th August 1985, page 260, no. 58031x, Columbus, Ohio, US; & JP - A - 60 36 375 (SUMITOMO ALUMINIUM SMELTING CO. LTD.) 25-02-1985, & JP6036375 A 00000000 | [A] - CHEMICAL ABSTRACTS, vol. 100, no. 22, 28th May 1984, page 268, no. 179225k, Columbus, Ohio, US; & JP - A - 59 18 164 (TOKYO YOGYO CO. LTD.) 20-01-1984, & JP5918164 A 00000000 |