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EP0038708
European procedure
Extract from the Register of European Patents
EP About this file: EP0038708
| EP0038708 - Process for producing benzophenone-azines [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.06.1984 Database last updated on 31.08.2024 | Most recent event Tooltip | 26.06.1984 | No opposition filed within time limit | published on 29.08.1984 [1984/35] | Applicant(s) | For all designated states MITSUBISHI GAS CHEMICAL COMPANY, INC. 5-2, Marunouchi 2-chome, Chiyoda-ku Tokyo 100-0005 / JP | [N/P] |
| Former [1981/43] | For all designated states MITSUBISHI GAS CHEMICAL COMPANY, INC. 5-2, Marunouchi 2-chome Chiyoda-Ku Tokyo, 100 / JP | Inventor(s) | 01 /
Isshiki, Tomiya 14-11, Umegaoka 2-chome Setagaya-ku Tokyo / JP | 02 /
Sakaguchi, Shuzabu 2511-12, Oaza Fukawa Tonemachi Kita Souma-gun Ibaraki-ken / JP | 03 /
Kohzahi, Toshiaki 2689-20, Kashiwada Ushiku-cho Inashiki-gun Ibaraki-ken / JP | 04 /
Aoki, Osamu 14-6, Jinyamae Tokiwadaira Matsudo-shi Chiba-ken / JP | 05 /
Takeda, Norio 14-6, Jinyamae Tokiwadaira Matsudo-shi Chiba-ken / JP | [1981/47] |
| Former [1981/43] | 01 /
Isshiki, Tomiya 14-11, Umegaoka 2-chome Setagaya-ku Tokyo / JP | ||
| 02 /
Sakaguchi, Shuzabu 2511-12, Oaza Fukawa Tonemachi Kita Souma-gun Ibaraki-ken / JP | |||
| 03 /
Kohzahi, Toshiaki 2689-20, Kashiwada Ushiku-cho Inashiki-gun Ibaraki-ken / JP | |||
| 04 /
Aoki, Osamu 16-6, Jinyamae Tokiwadaira Matsudo-shi Chiba-ken / JP | |||
| 05 /
Takeda, Norio 16-6, Jinyamae Tokiwadaira Matsudo-shi Chiba-ken / JP | Representative(s) | Cropp, John Anthony David, et al MATHYS & SQUIRE 100 Grays Inn Road London, WC1X 8AL / GB | [1981/43] | Application number, filing date | 81301752.2 | 21.04.1981 | [1981/43] | Priority number, date | JP19800052612 | 21.04.1980 Original published format: JP 5261280 | [1981/43] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0038708 | Date: | 28.10.1981 | Language: | EN | [1981/43] | Type: | B1 Patent specification | No.: | EP0038708 | Date: | 24.08.1983 | Language: | EN | [1983/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.08.1981 | Classification | IPC: | C07C109/12, // B01J23/72 | [1981/43] | CPC: |
C07C251/88 (EP)
| Designated contracting states | DE, FR, GB [1981/43] | Title | German: | Verfahren zur Herstellung von Benzophenon-azinen | [1981/43] | English: | Process for producing benzophenone-azines | [1981/43] | French: | Procédé pour la préparation d'azines de benzophénone | [1981/43] | File destroyed: | 12.06.1999 | Examination procedure | 27.04.1981 | Examination requested [1981/43] | 04.05.1982 | Despatch of a communication from the examining division (Time limit: M05) | 04.10.1982 | Reply to a communication from the examining division | 30.11.1982 | Despatch of communication of intention to grant (Approval: ) | 03.02.1983 | Communication of intention to grant the patent | 29.04.1983 | Fee for grant paid | 29.04.1983 | Fee for publishing/printing paid | Opposition(s) | 25.05.1984 | No opposition filed within time limit [1984/35] | Fees paid | Renewal fee | 09.03.1983 | Renewal fee patent year 03 |
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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 | [AD]JP53071045 ; | [AD]JP53147047 ; | [PD]GB2051785 ; | [AD]US2870206 ; | [AD]US4079080 | [AD] - CHEMICAL ABSTRACTS Vol. 89, No. 21, 20 November 1978 Columbus, Ohio, USA I. ISSHIKI et al. "Benzophenone Azine" page 579, right hand column, Abstract No. 179707y & JP-A-53 071 045, & JP53071045 A 19781120 | [AD] - PATENTS ABSTRACTS OF JAPAN Vol. 3, No. 3, 26 February 1979 page C-38 & JP-A-53 147 047, & JP53147047 A 19790226 |