Granted Patent
Utility
US 4,318,917 · App. 06/261,197
Antiinflammatory 2,3-diaryl-5-[2,2,2-trifluoro-1-(trifluoromethyl]ethyl-1H-pyrroles
Inventors:
Saul C. Cherkofsky, George A. Boswell
Patented Case
View Patent ↗
Granted: Mar 9, 1982
Filed: May 14, 1981
Inventors
Saul C. Cherkofsky
George A. Boswell
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.