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Application no. and date97937562.3 (espacenet), 19970811
Patent/reg. no. and dateDK/EP 0918791, 20020403
Publication date19990602
Priority no. and dateDE 19633685, 19960812
EP pub. no. and date EP 0918791 19990602
Effective date
Applicant/ownerBayer Pharma Aktiengesellschaft, Müllerstrasse 178
13353 Berlin, DE
Applicant ref. no.BAYER 51423APCT
InventorMOHR, Jörg-Thorsten, Zwinglistrasse 4
D-10555 Berlin, DE,
NICKISCH, Klaus, Zescher Strasse 14
D-12307 Berlin, DE
RepresentativeRWS Group, Europa House Chiltern Park, Chiltern Hill Chalfont St Peter Bucks SL9 9FG, GB
Opponent
IPC ClassC07J 53/00 (2006.01) 
TitleFremgangsmåde til fremstilling af drospirenon og mellemprodukter deraf
Int. application no.EP1997004342
Int. publication no.WO1998006738
Related patent (certificate)
StatusDK/EP patent med begrænsede krav
Pædiatrisk forlængelse-
Udløbsdato for pædiatrisk forlængelse-

 
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