EP0534189 - Method for producing polycarbonate [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.10.1998 Database last updated on 22.08.2024 | Most recent event Tooltip | 16.10.1998 | No opposition filed within time limit | published on 02.12.1998 [1998/49] | Applicant(s) | For all designated states MITSUBISHI CHEMICAL CORPORATION 1000, Kamoshida Oaba Yokohama 227 / JP | [N/P] |
Former [1995/39] | For all designated states MITSUBISHI CHEMICAL CORPORATION 5-2, Marunouchi 2-chome Chiyoda-ku, Tokyo / JP | ||
Former [1993/13] | For all designated states MITSUBISHI PETROCHEMICAL CO., LTD. 5-2, 2-chome, Marunouchi Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Yokoyama, Masuzo, c/o Mitsubishi Petroch. Co. Ltd. Yokkaichi Res. Center, 1, Toho-cho Yokkaichi, Mie / JP | 02 /
Takano, Junji, c/o Mitsubishi Petroch. Co. Ltd. Yokkaichi Res. Center, 1, Toho-cho Yokkaichi, Mie / JP | 03 /
Takakura, Kazuhide c/o Mitsubishi Petroch. Co.Ltd. Yokkaichi Res. Center, 1, Toho-cho Yokkaichi, Mie / JP | [1993/13] | Representative(s) | Hansen, Bernd, et al Hoffmann Eitle Patent- und Rechtsanwälte Postfach 81 04 20 81904 München / DE | [N/P] |
Former [1993/13] | Hansen, Bernd, Dr. Dipl.-Chem., et al Hoffmann, Eitle & Partner Patent- und Rechtsanwälte, Postfach 81 04 20 D-81904 München / DE | Application number, filing date | 92115062.9 | 03.09.1992 | [1993/13] | Priority number, date | JP19910243673 | 24.09.1991 Original published format: JP 24367391 | [1993/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0534189 | Date: | 31.03.1993 | Language: | EN | [1993/13] | Type: | B1 Patent specification | No.: | EP0534189 | Date: | 10.12.1997 | Language: | EN | [1997/50] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 25.01.1993 | Classification | IPC: | C08G64/30 | [1993/13] | CPC: |
C08G64/307 (EP,US)
| Designated contracting states | DE, GB, NL [1993/13] | Title | German: | Verfahren zur Herstellung von Polycarbonaten | [1993/13] | English: | Method for producing polycarbonate | [1993/13] | French: | Procédé de préparation de polycarbonates | [1993/13] | Examination procedure | 24.02.1993 | Examination requested [1993/16] | 24.08.1995 | Despatch of a communication from the examining division (Time limit: M04) | 29.12.1995 | Reply to a communication from the examining division | 10.12.1996 | Despatch of communication of intention to grant (Approval: Yes) | 21.02.1997 | Communication of intention to grant the patent | 21.05.1997 | Fee for grant paid | 21.05.1997 | Fee for publishing/printing paid | Opposition(s) | 11.09.1998 | No opposition filed within time limit [1998/49] | Fees paid | Renewal fee | 28.09.1994 | Renewal fee patent year 03 | 29.09.1995 | Renewal fee patent year 04 | 30.09.1996 | Renewal fee patent year 05 | 26.09.1997 | Renewal fee patent year 06 |
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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 | [AP]JP4001229 ; | [AP]JP4001227 ; | JP3265625 [ ] | [AP] - PATENT ABSTRACTS OF JAPAN vol. 16, no. 140 (C-926)(5183) 8 April 1992 & JP-A-4 001 229 ( DAICEL CHEM IND LTD ) 6 January 1992, & JP4001229 A 19920106 | [AP] - PATENT ABSTRACTS OF JAPAN vol. 16, no. 140 (C-926)(5183) 8 April 1992 & JP-A-4 001 227 ( DAICEL CHEM IND LTD ) 6 January 1992, & JP4001227 A 19920106 | [ ] - PATENT ABSTRACTS OF JAPAN vol. 16, no. 71 (C-913)(5114) 21 February 1992 & JP-A-3 265 625 ( DAICEL CHEM IND LTD ) 26 November 1991, & JP3265625 A 19911126 |