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EP0381362
European procedure
Extract from the Register of European Patents
EP About this file: EP0381362
| EP0381362 - Process for producing maleic anhydride [Right-click to bookmark this link] | |||
| Former [1990/32] | Process for producing maleic antihydride | ||
| [1994/01] | Status | No opposition filed within time limit Status updated on 05.11.1994 Database last updated on 28.05.2024 | Most recent event Tooltip | 25.07.2008 | Change - representative | published on 27.08.2008 [2008/35] | Applicant(s) | For all designated states MITSUI TOATSU CHEMICALS, Inc. 2-5 Kasumigaseki 3-chome Chiyoda-Ku Tokyo 100 / JP | [N/P] |
| Former [1992/23] | For all designated states MITSUI TOATSU CHEMICALS, Inc. 2-5 Kasumigaseki 3-chome Chiyoda-Ku Tokyo 100 / JP | ||
| Former [1990/32] | For all designated states MITSUI TOATSU CHEMICALS, INCORPORATED 2-5, 3-chome, Kasumigaseki Chiyoda-ku Tokyo / JP | Inventor(s) | 01 /
Sugawara, Harusige 16-1-201, Nishitoriishi 3-chome Takaishi-shi, Okasa-fu / JP | 02 /
Okawa, Takasi 9-6-616, Nishitoriishi 3-chome Takaishi-shi, Okasa-fu / JP | [1990/32] | Representative(s) | Stuart, Ian Alexander, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [2008/35] | Stuart, Ian Alexander, et al Mewburn Ellis LLP York House 23 Kingsway London WC2B 6HP / GB | ||
| Former [1990/32] | Stuart, Ian Alexander, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 90300725.0 | 23.01.1990 | [1990/32] | Priority number, date | JP19890013985 | 25.01.1989 Original published format: JP 1398589 | JP19890087014 | 07.04.1989 Original published format: JP 8701489 | [1990/32] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0381362 | Date: | 08.08.1990 | Language: | EN | [1990/32] | Type: | B1 Patent specification | No.: | EP0381362 | Date: | 05.01.1994 | Language: | EN | [1994/01] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 05.06.1990 | Classification | IPC: | C07C57/145, C07C51/573 | [1990/32] | CPC: |
C07C51/573 (EP,US);
C07C57/13 (KR);
C07C57/145 (KR)
| C-Set: |
C07C51/573, C07C57/145 (EP,US)
| Designated contracting states | AT, BE, DE, ES, FR, GB, IT [1990/32] | Title | German: | Verfahren zur Herstellung von Maleinsäureanhydrid | [1990/32] | English: | Process for producing maleic anhydride | [1994/01] | French: | Procédé de production d'anhydride maléique | [1990/32] |
| Former [1990/32] | Process for producing maleic antihydride | Examination procedure | 13.03.1990 | Examination requested [1990/32] | 04.05.1993 | Despatch of communication of intention to grant (Approval: Yes) | 06.07.1993 | Communication of intention to grant the patent | 22.09.1993 | Fee for grant paid | 22.09.1993 | Fee for publishing/printing paid | Opposition(s) | 06.10.1994 | No opposition filed within time limit [1994/52] | Fees paid | Renewal fee | 23.01.1992 | Renewal fee patent year 03 | 22.01.1993 | 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. | Documents cited: | Search | [Y]US2296218 (MIDDLETON JR WILLIAM R); | [Y]US4062874 (SCIARAFFA MICHAEL A, et al) | [X] - "The Merck Index", 1983, page 1131, no. 7760, Merck & Co., Inc., Rahway, NJ, US; "Propyl gallate" |