Granted Patent
Utility
US 5,166,184 · App. 07/873,685
Epoxy resin, process for the preparation thereof and process for the production of epoxy foam
Inventors:
Michio Hashimoto, Taira Harada, Yoshihisa Kiso, Isao Kaneko, Gorou Suzuki
Patented Case
View Patent ↗
Granted: Nov 24, 1992
Filed: Apr 24, 1992
Inventors
Michio Hashimoto
Taira Harada
Yoshihisa Kiso
Isao Kaneko
Gorou Suzuki
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.