Granted Patent
Utility
US 5,229,381 · App. 07/761,191
Substituted azetidinones as anti-inflammatory and antidegenerative agents
Inventors:
James B. Doherty, Conrad P. Dorn, Paul E. Finke, William K. Hagmann, Malcolm MacCoss, Shrenik K. Shah
Patented Case
View Patent ↗
Granted: Jul 20, 1993
Filed: Sep 20, 1991
Inventors
James B. Doherty
Conrad P. Dorn
Paul E. Finke
William K. Hagmann
Malcolm MacCoss
Shrenik K. Shah
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.