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Extract from the Register of European Patents

EP About this file: EP0369941

EP0369941 - Substituted alpha-pyrones and process for their preparation [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  03.12.1994
Database last updated on 06.07.2024
Most recent event   Tooltip03.12.1994No opposition filed within time limitpublished on 25.01.1995 [1995/04]
Applicant(s)For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
4002 Basel / CH
[N/P]
Former [1990/21]For all designated states
CIBA-GEIGY AG
Klybeckstrasse 141
CH-4002 Basel / CH
Inventor(s)01 / Vratislav, Kvita, Dr.
Vogesenstrasse 71
CH-4153 Reinach / CH
[1990/21]
Application number, filing date89810837.806.11.1989
[1990/21]
Priority number, dateCH1988000422415.11.1988         Original published format: CH 422488
[1990/21]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0369941
Date:23.05.1990
Language:DE
[1990/21]
Type: A3 Search report 
No.:EP0369941
Date:31.10.1990
Language:DE
[1990/44]
Type: B1 Patent specification 
No.:EP0369941
Date:02.02.1994
Language:DE
[1994/05]
Search report(s)(Supplementary) European search report - dispatched on:EP12.09.1990
ClassificationIPC:C07D309/38
[1990/21]
CPC:
C07D309/38 (EP,US)
Designated contracting statesBE,   CH,   DE,   FR,   GB,   IT,   LI,   NL [1990/21]
TitleGerman:Substituierte alfa-Pyrone und Verfahren zu deren Herstellung[1990/21]
English:Substituted alpha-pyrones and process for their preparation[1990/21]
French:Alpha-pyrones substituées et procédé pour leur préparation[1990/21]
Examination procedure10.11.1989Examination requested  [1990/21]
10.05.1993Despatch of communication of intention to grant (Approval: Yes)
29.07.1993Communication of intention to grant the patent
05.10.1993Fee for grant paid
05.10.1993Fee for publishing/printing paid
Opposition(s)03.11.1994No opposition filed within time limit [1995/04]
Fees paidRenewal fee
17.10.1991Renewal fee patent year 03
24.09.1992Renewal fee patent year 04
07.10.1993Renewal fee patent year 05
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Documents cited:Search[AD]  - JOURNAL OF MEDICINAL CHEMISTRY, Band 29, 1986, Seiten 1159-1163, American Chemical Society, Washington, US; W.A. BOULANGER et al.: "Structure-activity study of 6-substituted 2-pyranones as inactivators of alpha-chymotrypsin"
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.