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Extract from the Register of European Patents

EP About this file: EP0158164

EP0158164 - Substituted 4-hydroxy-benzopyrans, process for their preparation and their use in medicines [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  14.09.1988
Database last updated on 03.10.2024
Most recent event   Tooltip07.07.2007Change - inventorpublished on 08.08.2007  [2007/32]
Applicant(s)For all designated states
BAYER AG
51368 Leverkusen / DE
[N/P]
Former [1985/42]For all designated states
BAYER AG
D-51368 Leverkusen / DE
Inventor(s)01 / Kabbe, Hans-Joachim, Dr.
Walter-Flex-Strasse 16
D-5090 Leverkusen 1 / DE
02 / Widdig, Arno, Dr.
Eifgenstrasse 8
D-5068 Odenthal / DE
03 / Niewöhner, Ulrich, Dr.
Gartenstrasse 3
D-5632 Wermelskirchen 3 / DE
04 / Knorr, Andreas, Dr.
Pahlkestrasse 15
D-5600 Wuppertal 1 / DE
05 / Garthoff, Bernward, Dr.
Händelstrasse 22
D-4010 Hilden / DE
06 / Kazda, Stanislav, Dr.
Heuselweg 18
D-5600 Wuppertal / DE
[1985/42]
Application number, filing date85103091.618.03.1985
[1985/42]
Priority number, dateDE1984341199231.03.1984         Original published format: DE 3411992
[1985/42]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP0158164
Date:16.10.1985
Language:DE
[1985/42]
Type: A3 Search report 
No.:EP0158164
Date:03.09.1986
Language:DE
[1986/36]
Search report(s)(Supplementary) European search report - dispatched on:EP17.07.1986
ClassificationIPC:C07D311/96, C07D311/22, A61K31/35
[1985/42]
CPC:
C07D311/96 (EP,US); A61P9/00 (EP); C07D311/22 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   FR,   GB,   IT,   LI,   NL,   SE [1985/42]
TitleGerman:Substituierte 4-Hydroxy-benzopyrane, Verfahren zu ihrer Herstellung sowie ihre Verwendung in Arzneimitteln[1985/42]
English:Substituted 4-hydroxy-benzopyrans, process for their preparation and their use in medicines[1985/42]
French:4-Hydroxy-benzopyrannes substitués, procédé pour leur préparation et leur utilisation dans des médicaments[1985/42]
File destroyed:10.08.1994
Examination procedure18.03.1985Examination requested  [1985/42]
22.10.1987Despatch of a communication from the examining division (Time limit: M04)
12.12.1987Reply to a communication from the examining division
20.04.1988Despatch of communication of intention to grant (Approval: Yes)
20.05.1988Communication of intention to grant the patent
08.06.1988Fee for grant paid
08.06.1988Fee for publishing/printing paid
06.09.1988Application withdrawn by applicant  [1988/44]
Fees paidRenewal fee
16.02.1987Renewal fee patent year 03
12.02.1988Renewal fee patent year 04
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Documents cited:Search[A]GB2089348  (SANDOZ LTD)
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