Granted Patent
Utility
US 6,066,769 · App. 09/155,841
Process for the manufacture of halogenated propanes containing end-carbon fluorine
Inventors:
Mario Joseph Nappa, Allen Capron Sievert, Edwin J. Warwas
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Oct 6, 1998
Inventors
Mario Joseph Nappa
Allen Capron Sievert
Edwin J. Warwas
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.