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Application no. and date09100011.7 (espacenet)  (Federated)  (European Patent Register), 19970811
Patent/reg. no. and dateDK/EP 2168974, 20140702
Publication date20100331
Priority no. and dateDE 19633685, 19960812
EP pub. no. and date EP 2168974 20100331
Effective date
Applicant/ownerBayer Intellectual Property GmbH, Alfred-Nobel-Str. 10
40789 Monheim am Rhein, DE
Applicant ref. no.Bayer 51423A
InventorMohr, Jörg-Thorsten,
Morgenstr. 43 a
59423, Unna, DE,
Nickisch, Klaus,
Zescher Str. 14
12307, Berlin, DE
RepresentativeRWS Group, RWS Compass House Vanwall Business Park, Vanwall Road Maidenhead, Berkshire SL6 4UB, GB
Opponent
IPC ClassC07J 53/00 (2006.01) 
TitleFremgangsmåde til fremstilling af drospirenon (6SS, 7ß, 15SS, 16ss-dimethylen-3-oxo-17alpha-pregn-4-en-21,17-carbolactoner, DRSP)
Int. application no.
Int. publication no.
Related patent (certificate)
StatusOphævet
Pædiatrisk forlængelse-
Udløbsdato for pædiatrisk forlængelse-

 
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