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EP0030673
European procedure
Extract from the Register of European Patents
EP About this file: EP0030673
| EP0030673 - Method for inhibiting polymerization of conjugated dienes [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 14.09.2016 Database last updated on 03.09.2024 | Most recent event Tooltip | 14.09.2016 | No opposition filed within time limit | Applicant(s) | For all designated states NIPPON ZEON CO., LTD. 6-1, 2-chome, Marunouchi, Chiyoda-ku Tokyo / JP | [N/P] |
| Former [1981/25] | For all designated states NIPPON ZEON CO., LTD. 6-1, 2-chome, Marunouchi, Chiyoda-ku Tokyo / JP | Inventor(s) | 01 /
Hiroshi, Hokari 1-1-4, Tamanawa Kamakura-shi Kanagawa-ken / JP | 02 /
Iwaki, Nishitai 775-29, Shiromeguri Kamakura-shi Kanagawa-ken / JP | [1981/25] | Representative(s) | Diehl & Partner Patent- und Rechtsanwaltskanzlei mbB Erika-Mann-Straße 9 80636 München / DE | [N/P] |
| Former [1981/25] | DIEHL GLAESER HILTL & PARTNER Patentanwälte Postfach 19 03 65 D-80603 München / DE | Application number, filing date | 80107519.3 | 02.12.1980 | [1981/25] | Priority number, date | JP19790157384 | 06.12.1979 Original published format: JP 15738479 | [1981/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0030673 | Date: | 24.06.1981 | Language: | EN | [1981/25] | Type: | B1 Patent specification | No.: | EP0030673 | Date: | 13.04.1983 | Language: | EN | [1983/15] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 15.04.1981 | Classification | IPC: | C07C7/20, C07C11/12 | [1981/25] | CPC: |
C07C7/20 (EP,US)
| C-Set: |
C07C7/20, C07C11/12 (EP,US)
| Designated contracting states | AT, BE, DE, FR, GB, IT, NL, SE [1981/25] | Title | German: | Verfahren zur Verhinderung der Polymerisation konjugierter Diene | [1981/25] | English: | Method for inhibiting polymerization of conjugated dienes | [1981/25] | French: | Procédé pour l'inhibition de la polymérisation de diènes conjugués | [1981/25] | Examination procedure | 16.10.1981 | Examination requested [1981/52] | 02.06.1982 | Despatch of communication of intention to grant (Approval: ) | 02.08.1982 | Communication of intention to grant the patent | 28.10.1982 | Fee for grant paid | 28.10.1982 | Fee for publishing/printing paid | Opposition(s) | 14.01.1984 | No opposition filed within time limit [ N /P ] | Fees paid | Renewal fee | 02.12.1982 | Renewal fee patent year 03 |
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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 | [D]JP43020281B ; | GB1095886 [ ] (JAPANESE GEON CO LTD); | GB1146195 [ ] (JAPANESE GEON CO LTD); | [D]GB1177040 (JAPANESE GEON CO LTD [JP]) | [D] - CHEMICAL ABSTRACTS Vol. 70, No. 13, 1969 Columbus, Ohio, USA T. SAKURAGI et al. "Inhibition of butadiene polymerization" page 291, column 2, Abstract No. 57092f & JP-B-43 020 281., & JP43020281B B 00000000 |