Granted Patent
Utility
US 5,571,875 · App. 08/474,112
Polyimide based resin composition
Inventors:
Toshihiko Tsutsumi, Toshiyuki Nakakura, Shuichi Morikawa, Toshiaki Takahashi, Atsushi Morita, Yoshihisa Gotoh
Patented Case
View Patent ↗
Granted: Nov 5, 1996
Filed: Jun 7, 1995
Inventors
Toshihiko Tsutsumi
Toshiyuki Nakakura
Shuichi Morikawa
Toshiaki Takahashi
Atsushi Morita
Yoshihisa Gotoh
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.