Granted Patent
Utility
US 4,956,129 · App. 07/151,048
Microencapsulation process
Inventors:
Herbert B. Scher, Marius Rodson
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Feb 1, 1988
Inventors
Herbert B. Scher
Marius Rodson
Assignee (at issue)
ICI Americas, 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.