Granted Patent
Utility
US 5,597,574 · App. 08/128,511
UV protective aqueous emulsion and emulsifiable solids for cosmetic and agrichemical formulations
Inventors:
Kolazi S. Narayanan, Robert M. Ianniello, David Pritchard
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Sep 28, 1993
Inventors
Kolazi S. Narayanan
Robert M. Ianniello
David Pritchard
Assignee (at issue)
ISP INVESTMENTS LLC
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.