Granted Patent
Utility
US 5,138,087 · App. 07/736,169
1,1,1-trifluoro-2-propene compounds and a method for their preparation
Inventors:
David G. Kuhn, Kenneth A. Martin
Patented Case
View Patent ↗
Granted: Aug 11, 1992
Filed: Jul 26, 1991
Inventors
David G. Kuhn
Kenneth A. Martin
Assignee (at issue)
American Cyanamid 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.