Granted Patent
Utility
US 5,580,918 · App. 08/157,129
Polyimide resin composition
Inventors:
Atsushi Morita, Yoshihisa Gotoh, Toshiaki Takahashi, Kayako Ito, Hiroyasu Oochi, Tomohito Koba, Katunori Simamura, Hiroaki Tomimoto, Nobuhiro Takizawa
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Feb 16, 1994
Inventors
Atsushi Morita
Yoshihisa Gotoh
Toshiaki Takahashi
Kayako Ito
Hiroyasu Oochi
Tomohito Koba
Katunori Simamura
Hiroaki Tomimoto
Nobuhiro Takizawa
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.