Granted Patent
Utility
US 5,516,837 · App. 08/204,433
Polyimide based resin composition
Inventors:
Toshihiko Tsutsumi, Toshiyuki Nakakura, Toshiaki Takahashi, Atsushi Morita, Yoshihisa Gotoh, Hiroyasu Oochi
Patented Case
View Patent ↗
Granted: May 14, 1996
Filed: Mar 2, 1994
Inventors
Toshihiko Tsutsumi
Toshiyuki Nakakura
Toshiaki Takahashi
Atsushi Morita
Yoshihisa Gotoh
Hiroyasu Oochi
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.