Granted Patent
Utility
US 4,960,852 · App. 07/304,558
Thermosetting resin compostion from bis, maleimide and bis (meta-amino phenoxy) compound
Inventors:
Norimasa Yamaya, Nobuhito Koga, Masahiro Ohta, Akihiro Yamaguchi
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Feb 1, 1989
Inventors
Norimasa Yamaya
Nobuhito Koga
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.