Granted Patent
Utility
US 5,574,063 · App. 08/407,413
Method and compositions for topical application of ascorbic acid fatty acid esters for treatment and/or prevention of skin damage
Inventor:
Nicholas V. Perricone
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Mar 17, 1995
Inventor
Nicholas V. Perricone
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.