Granted Patent
Utility
US 4,978,695 · App. 07/352,304
Fine-particle aggregate emulsion and process for producing same
Inventors:
Futoshi Hoshino, Makoto Nakano, Takeshi Yanagihara
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: May 16, 1989
Inventors
Futoshi Hoshino
Makoto Nakano
Takeshi Yanagihara
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.