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Extract from the Register of European Patents

EP About this file: EP0590446

EP0590446 - Benzimidazoles and their use as charge stabilizers [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  27.03.1998
Database last updated on 02.09.2024
Most recent event   Tooltip27.03.1998No opposition filed within time limitpublished on 13.05.1998 [1998/20]
Applicant(s)For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
67063 Ludwigshafen / DE
[N/P]
Former [1994/14]For all designated states
BASF Aktiengesellschaft
Carl-Bosch-Strasse 38
D-67063 Ludwigshafen / DE
Inventor(s)01 / Schroeder, Gunter-Rudolf, Dr.
Turnerstrasse 22
D-6900 Heidelberg / DE
02 / Mayer, Udo, Dr.
Max-Slevogt-Strasse 27
D-6710 Frankenthal / DE
[1994/14]
Application number, filing date93115037.918.09.1993
[1994/14]
Priority number, dateDE1992423252429.09.1992         Original published format: DE 4232524
[1994/14]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0590446
Date:06.04.1994
Language:DE
[1994/14]
Type: A3 Search report 
No.:EP0590446
Date:08.03.1995
Language:DE
[1995/10]
Type: B1 Patent specification 
No.:EP0590446
Date:21.05.1997
Language:DE
[1997/21]
Search report(s)(Supplementary) European search report - dispatched on:EP23.01.1995
ClassificationIPC:C07D487/04, G03G9/08
[1994/14]
CPC:
C07D487/04 (EP,US); C07D235/20 (KR); G03G9/09758 (EP,US)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI [1994/14]
TitleGerman:Benzimidazole und ihre Anwendung als Ladungsstabilisatoren[1994/14]
English:Benzimidazoles and their use as charge stabilizers[1994/14]
French:Benzimidazoles et leur utilisation comme stabilisateurs de la charge[1994/14]
Examination procedure10.03.1995Examination requested  [1995/19]
02.01.1996Despatch of a communication from the examining division (Time limit: M04)
30.04.1996Reply to a communication from the examining division
16.10.1996Despatch of communication of intention to grant (Approval: Yes)
18.11.1996Communication of intention to grant the patent
18.12.1996Fee for grant paid
18.12.1996Fee for publishing/printing paid
Opposition(s)24.02.1998No opposition filed within time limit [1998/20]
Fees paidRenewal fee
20.09.1995Renewal fee patent year 03
23.09.1996Renewal fee patent year 04
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Documents cited:Search[A]EP0347695  (BASF AG [DE]) [A] 1,3 * the whole document *;
 [D]US4912006  (BREITSCHAFT WALTER [DE], et al);
 [AD]DE2733468  (BASF AG) [AD] 1,3 * the whole document *;
 [A]JPH04149180
 [A]  - PATENT ABSTRACTS OF JAPAN, (19920909), vol. 16, no. 431, Database accession no. (C - 983)<5474>, & JP04149180 A 19920522 (FUJI PHOTO FILM CO LTD) [A] 1,3 * 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.