Granted Patent
Utility
US 5,246,981 · App. 07/651,383
Aqueous emulsion
Inventors:
Seiji Kawamoto, Keiichi Kamda, Shoji Seki
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Mar 6, 1991
Inventors
Seiji Kawamoto
Keiichi Kamda
Shoji Seki
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.