Granted Patent
Utility
US 4,920,114 · App. 07/212,410
19-fluoro- or cyano-21-hydroxyprogesterone derivatives useful as 19-hydroxylase inhibitors
Inventors:
Gene W. Holbert, J. O'Neal Johnston
Patented Case
View Patent ↗
Granted: Apr 24, 1990
Filed: Jun 28, 1988
Inventors
Gene W. Holbert
J. O'Neal Johnston
Assignee (at issue)
Merrell Dow Pharmaceuticals Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.