Granted Patent
Utility
US 5,998,464 · App. 09/065,112
4-Oxa and 4-thia steroids
Inventors:
Raman K. Bakshi, Gool F. Patel, Gary H. Rasmusson, Richard L. Tolman
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Apr 23, 1998
Inventors
Raman K. Bakshi
Gool F. Patel
Gary H. Rasmusson
Richard L. Tolman
Assignee (at issue)
MERCK & CO., 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.