Granted Patent
Utility
US 5,310,789 · App. 08/044,773
Vinyl halide resin with epoxy resin and polyamine
Inventors:
Toshikazu Furihata, Toru Tomoshige
Patented Case
View Patent ↗
Granted: May 10, 1994
Filed: Apr 12, 1993
Inventors
Toshikazu Furihata
Toru Tomoshige
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.