Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Steroids including a spiro ring in position 17, the process for their preparation and their use

Steroids including a spiro ring in position 17, the process for their preparation and their use

US Patent 4900725 · Granted Feb 13, 1990

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

19-Nor-steroids2004
19-Nor-steroids2004
Use of antimineralocorticoid compounds against narcotic withdrawal syndrome2004
20-substituted steroids2002
Use of antimineralocorticoid compounds against drug withdrawal syndrome2000
Method of treating menopause or perimenopause2000
Method of treating menopause or perimenopause1999
Method of controlling male fertility1998
19-nor-steroids1998
19-nor-steroids1998
Method of treating male sterility1997
Method of controlling fertility in males with 20-substitute of steroids1997