Granted Patent
Utility
US 5,739,234 · App. 08/646,492
Epoxy group-containing vinylidene fluoride copolymer and its application to secondary battery
Inventors:
Hidetora Kashio, Katsuo Horie, Fujio Suzuki
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: May 8, 1996
Inventors
Hidetora Kashio
Katsuo Horie
Fujio Suzuki
Assignee (at issue)
Kureha Kagaku Kogyo Kabushiki Kaisha
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.