Granted Patent
Utility
US 5,112,899 · App. 07/584,362
Thermosetting resin composition
Inventors:
Norimasa Yamaya, Masahiro Ohta, Akihiro Yamaguchi
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Sep 18, 1990
Inventors
Norimasa Yamaya
Masahiro Ohta
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.