Granted Patent
Utility
US 5,798,414 · App. 08/656,295
Resin composition excellent in impact strength
Inventors:
Ikuhiro Mishima, Norito Doi, Youichi Matsumura, Shigemi Matsumoto
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Jun 13, 1996
Inventors
Ikuhiro Mishima
Norito Doi
Youichi Matsumura
Shigemi Matsumoto
Assignee (at issue)
Kanegafuchi 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.