Granted Patent
Utility
US 5,824,312 · App. 08/573,590
Sunscreen agents from natural sources
Inventors:
Evan C. Unger, Thomas P. Mc Creery
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Dec 15, 1995
Inventors
Evan C. Unger
Thomas P. Mc Creery
Assignee (at issue)
ImaRx Pharmaceutical Corp.
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.