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Extract from the Register of European Patents

EP About this file: EP0768300

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]
StatusNo opposition filed within time limit
Status updated on  12.03.2004
Database last updated on 03.06.2024
Most recent event   Tooltip12.03.2004No opposition filed within time limitpublished 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 date96306260.929.08.1996
[1997/16]
Priority number, dateJP1995022007229.08.1995         Original published format: JP 22007295
JP1996012833423.05.1996         Original published format: JP 12833496
JP1996014125604.06.1996         Original published format: JP 14125696
JP1996018577916.07.1996         Original published format: JP 18577996
[1997/16]
Filing languageEN
Procedural languageEN
PublicationType: 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:EP03.03.1997
ClassificationIPC: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 statesBE,   DE,   FR,   GB,   IT,   NL [1997/16]
TitleGerman: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 procedure15.09.1997Examination requested  [1997/46]
15.11.1999Despatch of a communication from the examining division (Time limit: M06)
15.05.2000Reply to a communication from the examining division
23.08.2000Despatch of a communication from the examining division (Time limit: M04)
22.12.2000Reply to a communication from the examining division
15.06.2001Despatch of a communication from the examining division (Time limit: M06)
21.12.2001Reply to a communication from the examining division
23.10.2002Date of oral proceedings
31.10.2002Minutes of oral proceedings despatched
04.11.2002Communication of intention to grant the patent
04.03.2003Fee for grant paid
04.03.2003Fee for publishing/printing paid
Divisional application(s)EP02079410.3  / EP1293500
Opposition(s)10.02.2004No opposition filed within time limit [2004/18]
Fees paidRenewal fee
10.08.1998Renewal fee patent year 03
11.08.1999Renewal fee patent year 04
16.08.2000Renewal fee patent year 05
14.08.2001Renewal fee patent year 06
14.08.2002Renewal fee patent year 07
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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 *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.