Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › 16.alpha.-methylation process

16.alpha.-methylation process

US Patent 4990612 · Granted Feb 5, 1991

Estimated economic value: $48,297,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Crystalline 19-norsteroids2011
Process to produce midazolam1999
Process to produce midazolam1999
Process to produce midazolam1998
Reduction method for substituted 5-methylene-thiazolidinediones1996
9.alpha.-dehalogenation process1995
Non-aromatic oxygenated strong acid dehydration of 9.alpha.-hydroxyandrostenedio1990
16.alpha.-methylation process1990
16.alpha.-methylation process1990
17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one1990
16.alpha.-methyl-17.alpha. 20-epoxysteroid and process1990
16.alpha.-methyl-17.alpha. 20-epoxysteroid and process1990