Granted Patent
Utility
US 4,754,097 · App. 07/055,914
Metathesis of acetylenes
Inventor:
Steven P. Diefenbach
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: May 27, 1987
Inventor
Steven P. Diefenbach
Assignee (at issue)
Ethyl Corporation
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.