EP0768300 - Acrylonitrile solutions of maleimides [Right-click to bookmark this link] | |||
Former [1997/16] | Acrylonitrile solutions of maleimides, method for preparation thereof, and acrylonitrile based copolymers obtained by use of the solutions | ||
[2002/50] | Status | No opposition filed within time limit Status updated on 12.03.2004 Database last updated on 03.06.2024 | Most recent event Tooltip | 12.03.2004 | No opposition filed within time limit | published on 28.04.2004 [2004/18] | Applicant(s) | For all designated states NIPPON SHOKUBAI CO., LTD. 1-1, Koraibashi 4-chome Chuo-ku Osaka-shi, Osaka-fu 541 / JP | [N/P] |
Former [1997/16] | For all designated states NIPPON SHOKUBAI CO., LTD. 1-1, Koraibashi, 4-chome Chuo-ku, Osaka-shi, Osaka-fu 541 / JP | Inventor(s) | 01 /
Kishino, Kazuo 4-3, Nishiimajuku 4-chome Himeji-shi, Hyogo-ken / JP | 02 /
Nakayama, Kinichi 17-3, Yatabe, Taishi-cho, Ibo-gun Hyogo-ken / JP | 03 /
Shimoyama, Fumioki 1712-17, Kaichi-kitamachi, Aboshi-ku Himeji-shi, Hyogo-ken / JP | 04 /
Kita, Yuichi 1-1-1222, Nakazaki 1-chome Akashi-shi, Hyogo-ken / JP | [1997/16] | Representative(s) | Bassil, Nicholas Charles, et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL / GB | [N/P] |
Former [2003/12] | Bassil, Nicholas Charles, et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ / GB | ||
Former [1997/16] | Rees, David Christopher, et al Kilburn & Strode 30 John Street London WC1N 2DD / GB | Application number, filing date | 96306260.9 | 29.08.1996 | [1997/16] | Priority number, date | JP19950220072 | 29.08.1995 Original published format: JP 22007295 | JP19960128334 | 23.05.1996 Original published format: JP 12833496 | JP19960141256 | 04.06.1996 Original published format: JP 14125696 | JP19960185779 | 16.07.1996 Original published format: JP 18577996 | [1997/16] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0768300 | Date: | 16.04.1997 | Language: | EN | [1997/16] | Type: | B1 Patent specification | No.: | EP0768300 | Date: | 07.05.2003 | Language: | EN | [2003/19] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.03.1997 | Classification | IPC: | C07D207/448, C07C255/08, C08F220/44 | [1997/16] | CPC: |
C07D207/448 (EP,KR,US);
C07C255/08 (EP,KR,US);
C07C253/32 (EP,US);
C08F220/44 (KR)
| C-Set: |
C07C253/32, C07C255/08 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1997/16] | Title | German: | Acrylnitril-Lösungen von Maleimiden | [2002/50] | English: | Acrylonitrile solutions of maleimides | [2002/50] | French: | Solutions à base d'acrylonitrile contenant des maléimides | [2002/50] |
Former [1997/16] | Acrylnitril-Lösungen um Maleinimiden, Verfahren zu ihrer Herstellung und auf Acrylnitril basierende Copolymere, die durch die Verwendung der Lösungen erhalten werden | ||
Former [1997/16] | Acrylonitrile solutions of maleimides, method for preparation thereof, and acrylonitrile based copolymers obtained by use of the solutions | ||
Former [1997/16] | Solutions à base d'acrylonitrile contenant des maléimides, procédé de leur préparation et copolymères à base d'acrylonitrile obtenues en utilisant les solutions | Examination procedure | 15.09.1997 | Examination requested [1997/46] | 15.11.1999 | Despatch of a communication from the examining division (Time limit: M06) | 15.05.2000 | Reply to a communication from the examining division | 23.08.2000 | Despatch of a communication from the examining division (Time limit: M04) | 22.12.2000 | Reply to a communication from the examining division | 15.06.2001 | Despatch of a communication from the examining division (Time limit: M06) | 21.12.2001 | Reply to a communication from the examining division | 23.10.2002 | Date of oral proceedings | 31.10.2002 | Minutes of oral proceedings despatched | 04.11.2002 | Communication of intention to grant the patent | 04.03.2003 | Fee for grant paid | 04.03.2003 | Fee for publishing/printing paid | Divisional application(s) | EP02079410.3 / EP1293500 | Opposition(s) | 10.02.2004 | No opposition filed within time limit [2004/18] | Fees paid | Renewal fee | 10.08.1998 | Renewal fee patent year 03 | 11.08.1999 | Renewal fee patent year 04 | 16.08.2000 | Renewal fee patent year 05 | 14.08.2001 | Renewal fee patent year 06 | 14.08.2002 | Renewal fee patent year 07 |
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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 | [AD]JPH0312057B ; | [A]EP0323244 (NIPPON CATALYTIC CHEM IND [JP]) [A] 1-9 * page 5, line 7 - line 33; example -; claim -; tables 1,2 *; | [A]EP0437342 (NIPPON CATALYTIC CHEM IND [JP]) [A] 4,6,9* example -; claim -; table - *; | [AD] - DATABASE WPI, 1, Derwent World Patents Index, vol. 91, no. 11, Database accession no. 87-196008, XP002025453 & JP3012057B B 19910219 (NIPPON SHOKUBAI KAGAKU KOGYO CO LTD) [AD] 1-9 * abstract * |