Granted Patent
Utility
US 4,410,655 · App. 06/270,878
Aqueous dispersion of ethylene/.alpha.,.beta.-unsaturated carboxylic acid copolymer blend
Inventors:
Katsumi Funakoshi, Hideyuki Itoi, Toshifumi Konishi
Patented Case
View Patent ↗
Granted: Oct 18, 1983
Filed: Jun 5, 1981
Inventors
Katsumi Funakoshi
Hideyuki Itoi
Toshifumi Konishi
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.