Granted Patent
Utility
US 5,359,071 · App. 08/030,508
15-substituted 4-azasteroids
Inventors:
Philippe L. Durette, Craig K. Esser, William K. Hagmann, Ihor E. Kopka
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Mar 12, 1993
Inventors
Philippe L. Durette
Craig K. Esser
William K. Hagmann
Ihor E. Kopka
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.