Granted Patent
Utility
US 6,180,133 · App. 09/198,734
Antioxidant composition for topical/transdermal prevention and treatment of wrinkles
Inventors:
Danyi Quan, Srinivasan Venkateshwaran, Charles D. Ebert
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Nov 24, 1998
Inventors
Danyi Quan
Srinivasan Venkateshwaran
Charles D. Ebert
Assignee (at issue)
Watson Pharmaceuticals, 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.