Granted Patent
Utility
US 5,709,868 · App. 08/531,290
Lipoic acid in topical compositions
Inventor:
Nicholas V. Perricone
Patented Case
View Patent ↗
Granted: Jan 20, 1998
Filed: Sep 20, 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.