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EP0343475
European procedure
Extract from the Register of European Patents
EP About this file: EP0343475
| EP0343475 - Process for producing neopentyl glycol [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 04.06.1994 Database last updated on 18.11.2024 | Most recent event Tooltip | 04.06.1994 | No opposition filed within time limit | published on 27.07.1994 [1994/30] | 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 [1989/48] | For all designated states MITSUBISHI GAS CHEMICAL COMPANY, INC. 5-2, Marunouchi 2-chome Chiyoda-Ku Tokyo, 100 / JP | Inventor(s) | 01 /
Teruyuki, Ninomiya Mitsubishi Gas Chemical Co.Inc. Mizushima Factory 10 Mizushima-kaigandori 3-chome Kurashiki-shi Okayama-ken / JP | 02 /
Tomiyoshi, Furuta Mitsubishi Gas Chemical Co.Inc. Mizushima Factory 10 Mizushima-kaigandori 3-chome Kurashiki-shi Okayama-ken / JP | 03 /
Seiji, Kita Mitsubishi Gas Chemical Co.Inc. Mizushima Factory 10 Mizushima-kaigandori 3-chome Kurashiki-shi Okayama-ken / JP | 04 /
Yoshimi, Fujii Mitsubishi Gas Chemical Co.Inc. Mizushima Factory 10 Mizushima-kaigandori 3-chome Kurashiki-shi Okayama-ken / JP | [1989/48] | Representative(s) | Gille Hrabal Partnerschaftsgesellschaft mbB Patentanwälte Brucknerstraße 20 40593 Düsseldorf / DE | [N/P] |
| Former [1989/48] | Türk, Gille, Hrabal, Leifert Brucknerstrasse 20 D-40593 Düsseldorf / DE | Application number, filing date | 89108691.0 | 13.05.1989 | [1989/48] | Priority number, date | JP19880125668 | 25.05.1988 Original published format: JP 12566888 | [1989/48] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0343475 | Date: | 29.11.1989 | Language: | EN | [1989/48] | Type: | A3 Search report | No.: | EP0343475 | Date: | 17.10.1990 | Language: | EN | [1990/42] | Type: | B1 Patent specification | No.: | EP0343475 | Date: | 04.08.1993 | Language: | EN | [1993/31] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 31.08.1990 | Classification | IPC: | C07C31/20, C07C29/141 | [1993/31] | CPC: |
C07C29/141 (EP,US);
C07C45/75 (EP,US)
| C-Set: |
C07C29/141, C07C31/20 (US,EP);
C07C45/75, C07C47/19 (EP,US) |
| Former IPC [1989/48] | C07C31/20, C07C29/14 | Designated contracting states | DE, IT [1989/48] | Title | German: | Verfahren zum Herstellen von Neopentylglycol | [1989/48] | English: | Process for producing neopentyl glycol | [1989/48] | French: | Procédé pour produire du néopentyl glycol | [1989/48] | Examination procedure | 15.12.1990 | Examination requested [1991/06] | 08.09.1992 | Despatch of communication of intention to grant (Approval: Yes) | 22.01.1993 | Communication of intention to grant the patent | 22.04.1993 | Fee for grant paid | 22.04.1993 | Fee for publishing/printing paid | Opposition(s) | 05.05.1994 | No opposition filed within time limit [1994/30] | Fees paid | Renewal fee | 16.05.1991 | Renewal fee patent year 03 | 19.05.1992 | Renewal fee patent year 04 | 22.05.1993 | 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]GB899009 (ENGELHARD IND INC); | [A]US3884838 (FLEMING DONALD KINGSLEY, et al); | [A]FR2371407 (BAYER AG [DE]) |