Granted Patent
Utility
US 4,432,974 · App. 06/354,643
Antiinflammatory and/or analgesic 2,3-diaryl-5-silyl thiophenes
Inventor:
Stephen B. Haber
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Mar 4, 1982
Inventor
Stephen B. Haber
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.