Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Cyclopentanohydrophenanthrene ring system doai
Reexamination Certificate
2007-01-30
2007-01-30
Badio, Barbara P. (Department: 1617)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Cyclopentanohydrophenanthrene ring system doai
C514S182000, C552S647000
Reexamination Certificate
active
10489456
ABSTRACT:
This invention relates to steroidal compounds having the formula Iwherein: R1is O, (H,H), (H,OH), NOH, whereby OH is optionally etherified or esterified; R2and R3are independently hydrogen or (C1-4) alkyl and at least one of R2and R3is (C1-4) alkyl; R4is hydrogen, or (C1-15) acyl for use in androgen-related treatments, such as androgen insufficiency and male or female contraception.
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De Gooijer M.E. Marcel Evert
Leysen D Dirk
Van Der Louw J Jaap
Akzo Nobel N.V.
Badio Barbara P.
Milstead Mark W.
Ramsey, III William P.
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