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EP0455224
European procedure
Extract from the Register of European Patents
EP About this file: EP0455224
| EP0455224 - Polyaniline derivatives and their production process [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.06.1997 Database last updated on 02.11.2024 | Most recent event Tooltip | 20.06.1997 | No opposition filed within time limit | published on 06.08.1997 [1997/32] | Applicant(s) | For all designated states TOMOEGAWA PAPER CO. LTD. 5-15 Kyobashi 1-chome Chuo-ku Tokyo 104 / JP | [N/P] |
| Former [1991/45] | For all designated states TOMOEGAWA PAPER CO. LTD. 5-15 Kyobashi 1-chome Chuo-ku, Tokyo 104 / JP | Inventor(s) | 01 /
Oka, Osamu, c/o Tomoegawa Paper Co., Ltd Technical Research Laboratory, 3-1, Mochimunetomoe-cho Shinzuoka-shi, Shizuoka-ken / JP | [1991/45] | Representative(s) | Kraus, Walter, et al Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15 80539 München / DE | [N/P] |
| Former [1991/45] | Kraus, Walter, Dr., et al Patentanwälte Kraus, Weisert & Partner Thomas-Wimmer-Ring 15 D-80539 München / DE | Application number, filing date | 91107021.7 | 30.04.1991 | [1991/45] | Priority number, date | JP19900115163 | 02.05.1990 Original published format: JP 11516390 | JP19900119699 | 11.05.1990 Original published format: JP 11969990 | JP19910083023 | 25.03.1991 Original published format: JP 8302391 | JP19910083024 | 25.03.1991 Original published format: JP 8302491 | JP19910083025 | 25.03.1991 Original published format: JP 8302591 | [1991/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0455224 | Date: | 06.11.1991 | Language: | EN | [1991/45] | Type: | A3 Search report | No.: | EP0455224 | Date: | 10.03.1993 | Language: | EN | [1993/10] | Type: | B1 Patent specification | No.: | EP0455224 | Date: | 14.08.1996 | Language: | EN | [1996/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.01.1993 | Classification | IPC: | C08G73/02 | [1991/45] | CPC: |
C08G73/0266 (EP,US)
| Designated contracting states | DE, FR, GB [1991/45] | Title | German: | Polyanilinderivate und Verfahren zu ihrer Herstellung | [1996/33] | English: | Polyaniline derivatives and their production process | [1991/45] | French: | Dérivés de polyaniline et procédé pour leur préparation | [1991/45] |
| Former [1991/45] | Polyanilinderivat und Verfahren zu ihrer Herstellung | Examination procedure | 01.04.1993 | Examination requested [1993/22] | 30.01.1995 | Despatch of a communication from the examining division (Time limit: M04) | 18.05.1995 | Reply to a communication from the examining division | 21.09.1995 | Despatch of communication of intention to grant (Approval: Yes) | 26.01.1996 | Communication of intention to grant the patent | 11.04.1996 | Fee for grant paid | 11.04.1996 | Fee for publishing/printing paid | Opposition(s) | 15.05.1997 | No opposition filed within time limit [1997/32] | Fees paid | Renewal fee | 23.04.1993 | Renewal fee patent year 03 | 22.04.1994 | Renewal fee patent year 04 | 24.04.1995 | Renewal fee patent year 05 | 22.04.1996 | Renewal fee patent year 06 |
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