Granted Patent
Utility
US 5,789,455 · App. 08/925,145
Fluorine-containing hydrocarbon composition
Inventors:
Kenrou Kitamura, Keiichi Ohnishi, Masato Fukushima
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Sep 8, 1997
Inventors
Kenrou Kitamura
Keiichi Ohnishi
Masato Fukushima
Assignee (at issue)
ASAHI GLASS CO., LTD.
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.