Granted Patent
Utility
US 4,335,136 · App. 06/237,638
Anti-inflammatory 4,5-diaryl-.alpha.-(polyfluoroalkyl)-1H-pyrrole-2-methanamines
Inventor:
Saul C. Cherkofsky
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Mar 4, 1981
Inventor
Saul C. Cherkofsky
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.