Granted Patent
Utility
US 5,051,494 · App. 07/511,235
Thermosetting resin composition comprising an aromatic amine
Inventors:
Keizaburo Yamaguchi, Yoshimitsu Tanabe, Tatshuiro Urakami, Akihiro Yamaguchi, Norimasa Yamaya, Masahiro Ohta
Patented Case
View Patent ↗
Granted: Sep 24, 1991
Filed: Apr 19, 1990
Inventors
Keizaburo Yamaguchi
Yoshimitsu Tanabe
Tatshuiro Urakami
Akihiro Yamaguchi
Norimasa Yamaya
Masahiro Ohta
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.