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Extract from the Register of European Patents

EP About this file: EP0731086

EP0731086 - Process for the preparation of aromatic nitriles [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.03.2000
Database last updated on 11.09.2024
Most recent event   Tooltip03.03.2000No opposition filed within time limitpublished on 19.04.2000 [2000/16]
Applicant(s)For all designated states
Ciba Specialty Chemicals Holding Inc.
Klybeckstrasse 141
4057 Basel / CH
[1999/17]
Former [1997/11]For all designated states
Ciba Specialty Chemicals Holding Inc.
Klybeckstrasse 141
4057 Basel / CH
Former [1997/03]For all designated states
Ciba SC Holding AG
Klybeckstrasse 141
4057 Basel / CH
Former [1996/37]For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
4002 Basel / CH
Inventor(s)01 / Kudschus, Martin, Dr.
Route du Crochet 2
1762 Givisiez / CH
[1996/37]
Application number, filing date96810115.401.03.1996
[1996/37]
Priority number, dateCH1995000068709.03.1995         Original published format: CH 68795
[1996/37]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0731086
Date:11.09.1996
Language:DE
[1996/37]
Type: B1 Patent specification 
No.:EP0731086
Date:28.04.1999
Language:DE
[1999/17]
Search report(s)(Supplementary) European search report - dispatched on:EP26.06.1996
ClassificationIPC:C07C253/00, C07C255/49
[1996/37]
CPC:
C07C253/00 (EP,US); Y02P20/582 (EP,US)
C-Set:
C07C253/00, C07C255/50 (US,EP);
C07C253/00, C07C255/54 (EP,US)
Designated contracting statesCH,   DE,   GB,   IT,   LI [1996/37]
TitleGerman:Verfahren zur Herstellung aromatischer Nitrile[1996/37]
English:Process for the preparation of aromatic nitriles[1996/37]
French:Procédé de préparation de nitriles aromatiques[1996/37]
Examination procedure20.01.1997Examination requested  [1997/13]
03.08.1998Despatch of communication of intention to grant (Approval: Yes)
03.09.1998Communication of intention to grant the patent
23.10.1998Fee for grant paid
23.10.1998Fee for publishing/printing paid
Opposition(s)29.01.2000No opposition filed within time limit [2000/16]
Fees paidRenewal fee
02.02.1998Renewal fee patent year 03
02.02.1999Renewal fee patent year 04
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Documents cited:Search[A]EP0550762  (KAO CORP [JP]) [A] 1 * claim 1 *;
 [A]EP0144885  (BASF AG [DE]) [A] 1 * claim 1 *;
 [DA]EP0609179  (CIBA GEIGY AG [CH]) [DA] 1 * claim 1 *;
 [DA]EP0080700  (SUMITOMO CHEMICAL CO [JP]) [DA] 1 * claim 1 *;
 [A]JPS4535771B
 [A]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 70, no. 45, Database accession no. 70-83813r, XP002004623 & JPS4535771B B1 00000000 (MITSUI PETROCHEM INDS LTD) [A] 1 * 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.