Granted Patent
Utility
US 5,266,654 · App. 07/736,439
Resin composition
Inventors:
Mikio Kitahara, Koichi Machida, Takayuki Kubo, Motoyuki Torikai, Koutarou Asahina, Junsuke Tanaka, Akihiro Yamaguchi
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jul 26, 1991
Inventors
Mikio Kitahara
Koichi Machida
Takayuki Kubo
Motoyuki Torikai
Koutarou Asahina
Junsuke Tanaka
Akihiro Yamaguchi
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.