Granted Patent
Utility
US 4,835,240 · App. 07/199,685
Epoxy resin composition
Inventors:
Eiki Togashi, Toshimasa Takata
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: May 31, 1988
Inventors
Eiki Togashi
Toshimasa Takata
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.