Granted Patent
Utility
US 5,663,043 · App. 08/368,780
Method for inactivating non-enveloped viruses using a viricide-potentiating agent with a photoactivatible virucide
Inventors:
Charles M. Zepp, Donald L. Heefner
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Jan 4, 1995
Inventors
Charles M. Zepp
Donald L. Heefner
Assignee (at issue)
Hemasure, 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.