Granted Patent
Utility
US 4,970,293 · App. 07/209,862
Liquid glass forming composition from diallyl carbonate and diol mixture
Inventors:
Fiorenzo Renzi, Franco Rivetti, Ugo Romano
Patented Case
View Patent ↗
Granted: Nov 13, 1990
Filed: Jun 22, 1988
Inventors
Fiorenzo Renzi
Franco Rivetti
Ugo Romano
Assignee (at issue)
Enichem Synthesis S.p.A.
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.