Granted Patent
Utility
US 4,894,397 · App. 07/184,480
Stable emulsion polymers and methods of preparing same
Inventors:
Lee W. Morgan, Richard J. Esser, Dennis P. Jensen
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Apr 21, 1988
Inventors
Lee W. Morgan
Richard J. Esser
Dennis P. Jensen
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.