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EP0497531
European procedure
Extract from the Register of European Patents
EP About this file: EP0497531
| EP0497531 - Process for producing ethylene polymers [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 24.01.1997 Database last updated on 09.09.2024 | Most recent event Tooltip | 24.01.1997 | No opposition filed within time limit | published on 12.03.1997 [1997/11] | Applicant(s) | For all designated states MITSUBISHI CHEMICAL CORPORATION 5-2, Marunouchi 2-chome Chiyoda-ku Tokyo-to / JP | [N/P] |
| Former [1995/44] | For all designated states Mitsubishi Chemical Corporation 5-2, Marunouchi 2-chome Chiyoda-ku, Tokyo-to / JP | ||
| Former [1992/32] | For all designated states MITSUBISHI PETROCHEMICAL COMPANY LIMITED 2-5, Marunouchi 2-chome Chiyoda-ku Tokyo-to / JP | Inventor(s) | 01 /
Takahashi, Tadashi, c/o Mitsubishi Petrochem. Co. Limited Yokkaichi Sogo Kenkyusho, 1, Toho-Cho Yokkaichi-Shi, Mie-Ken / JP | 02 /
Mayumi, Junji, c/o Mitsubishi Petrochem. Co. Limited Yokkaichi Sogo Kenkyusho, 1, Toho-Cho Yokkaichi-Shi, Mie-Ken / JP | 03 /
Maeda, Yoichi, c/o Mitsubishi Petrochem. Co. Limited Yokkaichi Sogo Kenkyusho, 1, Toho-Cho Yokkaichi-Shi, Mie-Ken / JP | [1992/32] | Representative(s) | Lewin, John Harvey Elkington and Fife LLP Prospect House 8 Pembroke Road Sevenoaks Kent TN13 1XR / GB | [N/P] |
| Former [1992/32] | Lewin, John Harvey Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR / GB | Application number, filing date | 92300670.4 | 27.01.1992 | [1992/32] | Priority number, date | JP19910008393 | 28.01.1991 Original published format: JP 839391 | [1992/32] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0497531 | Date: | 05.08.1992 | Language: | EN | [1992/32] | Type: | A3 Search report | No.: | EP0497531 | Date: | 21.10.1992 | Language: | EN | [1992/43] | Type: | B1 Patent specification | No.: | EP0497531 | Date: | 20.03.1996 | Language: | EN | [1996/12] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.09.1992 | Classification | IPC: | C08F10/02, C08F4/656 | [1992/43] | CPC: |
C08F10/02 (EP,US)
| C-Set: |
C08F10/02, C08F4/6367 (EP,US)
|
| Former IPC [1992/32] | C08F4/656, C08F10/02 | Designated contracting states | DE, GB, NL [1992/32] | Title | German: | Verfahren zur Herstellung von Ethylenpolymere | [1992/32] | English: | Process for producing ethylene polymers | [1992/32] | French: | Procédé de production de polymères d'éthylène | [1992/32] | Examination procedure | 19.11.1992 | Examination requested [1993/03] | 10.01.1995 | Despatch of a communication from the examining division (Time limit: M04) | 07.03.1995 | Reply to a communication from the examining division | 24.04.1995 | Despatch of communication of intention to grant (Approval: Yes) | 24.07.1995 | Communication of intention to grant the patent | 02.10.1995 | Fee for grant paid | 02.10.1995 | Fee for publishing/printing paid | Opposition(s) | 21.12.1996 | No opposition filed within time limit [1997/11] | Fees paid | Renewal fee | 11.01.1994 | Renewal fee patent year 03 | 10.01.1995 | Renewal fee patent year 04 | 10.01.1996 | 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]EP0299712 (MITSUBISHI PETROCHEMICAL CO [JP]); | [X]EP0303704 (MITSUI PETROCHEMICAL IND [JP]); | [Y]EP0330255 (SOLVAY [BE]) |