Granted Patent
Utility
US 5,003,063 · App. 07/459,741
Conversion of steroidal 17-cyanohydrins to corticoids
Inventor:
John Gregory Reid
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: Jan 30, 1990
Inventor
John Gregory Reid
Assignee (at issue)
The Upjohn Co.
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.