Granted Patent
Utility
US 5,041,432 · App. 07/589,012
Steroid derivatives useful as hypocholesterolemics
Inventors:
James L. Gaylor, Paul R. Johnson, Soo S. Ko, Ronald L. Magolda, Simon H. Stam, James M. Trzaskos
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Sep 28, 1990
Inventors
James L. Gaylor
Paul R. Johnson
Soo S. Ko
Ronald L. Magolda
Simon H. Stam
James M. Trzaskos
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.