Granted Patent
Utility
US 4,628,071 · App. 06/752,878
Emulsion copolymerization process
Inventor:
Lee W. Morgan
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Aug 16, 1985
Inventor
Lee W. Morgan
Assignee (at issue)
S. C. JOHNSON & SON, INC.
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.