Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 3-Keto-19-nor-.DELTA..sup.4,9 -steroids

3-Keto-19-nor-.DELTA..sup.4,9 -steroids

US Patent 4540686 · Granted Sep 10, 1985

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Biphenyl compounds and their use as oestrogenic agents2004
19-Nor-steroids2004
19-Nor-steroids2004
Use of antimineralocorticoid compounds against narcotic withdrawal syndrome2004
19-Nor steroids having a thiocarbonated chain in position 11beta, their preparat2003
Biphenyl compounds and their use as oestrogenic agents2003
Steroids substituted at the 11-position, process for their preparation, their us2003
Steroids, their use as medicaments, their preparation process, the intermediates2002
Steroids substituted at the 11-position, process for their preparation, their us2002
4-halogenated steroids, their preparation process and intermediates, their use a2002
4-halogenated steroids, their preparation process and intermediates, their use a2002
Tricyclic compounds, their preparation process and the intermediates of this pro2002