Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Reexamination Certificate
2006-03-28
2006-03-28
Badio, Barbara P. (Department: 1617)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
C514S182000, C552S539000, C552S626000
Reexamination Certificate
active
07018994
ABSTRACT:
The invention relates to 17α-alkyl-17β-oxy-estra-1,3,5(10)-trienes that have an antiestrogenic action with general formula I. In addition, the invention also relates to 17-oxo-estra-1,3,5(10)-trienes as well as 17β-hydroxy-estra-1,3,5(10)-trienes as intermediate products in the production of the estratrienes according to the invention. The invention also relates to the use of 17α-alkyl-17β-oxy-estratrienes for the production of pharmaceutical agents as well as pharmaceutical preparations that contain at least one 17α-alkyl-17β-oxy-estratriene as well as at least one pharmaceutically compatible vehicle.
REFERENCES:
patent: 6677324 (2004-01-01), Knauthe et al.
patent: 0138504 (1985-04-01), None
patent: WO 97/45441 (1997-12-01), None
patent: WO 98/07740 (1998-02-01), None
patent: WO 99/33855 (1999-07-01), None
English translation of International Examination Report, Mar. 2004.
Bohlmann Rolf
Heinrich Nikolaus
Hoffmann Jens
Jautelat Rolf
Kroll Jorg
Badio Barbara P.
Millen White Zelano & Branigan P.C.
Schering AG
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