IP Library Granted Patent US 5,312,866
Granted Patent Utility
US 5,312,866 · App. 07/883,267

Polyimide based resin composition

Inventors: Toshihiko Tsutsumi, Toshiyuki Nakakura, Shuichi Morikawa, Katsunori Shimamura, Toshiaki Takahashi, Atsushi Morita, Nobuhito Koga, Akihiro Yamaguchi, Masahiro Ohta, Yoshihisa Gotoh, Masaki Amano, Hiroyasu Oochi, Kayako Ito
Patented Case View Patent ↗
Granted: May 17, 1994 Filed: May 14, 1992
Inventors
Toshihiko Tsutsumi
Toshiyuki Nakakura
Shuichi Morikawa
Katsunori Shimamura
Toshiaki Takahashi
Atsushi Morita
Nobuhito Koga
Akihiro Yamaguchi
Masahiro Ohta
Yoshihisa Gotoh
Masaki Amano
Hiroyasu Oochi
Kayako Ito
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,312,866
App. No.
07/883,267
Filed
1992-05-14
Granted
1994-05-17
Kind
A