Granted Patent
Utility
US 4,775,713 · App. 07/135,520
Aqueous dispersion and process for preparation thereof
Inventors:
Shiro Homma, Masatoshi Kashiwagi, Mutsuhiro Tanaka
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Dec 16, 1987
Inventors
Shiro Homma
Masatoshi Kashiwagi
Mutsuhiro Tanaka
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.