Granted Patent
Utility
US 5,219,558 · App. 07/824,965
Photoprotection compositions having improved substantivity
Inventors:
Frederick W. Woodin, Jr., George Endel Deckner
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Jan 22, 1992
Inventors
Frederick W. Woodin, Jr.
George Endel Deckner
Assignee (at issue)
The Procter & Gamble Company
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.