Granted Patent
Utility
US 6,562,321 · App. 09/741,383
Compositions and methods for treating hyperpigmentation
Inventors:
Dmitri Ptchelintsev, Christos D. Kyrou, Harish Mahalingam
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Dec 20, 2000
Inventors
Dmitri Ptchelintsev
Christos D. Kyrou
Harish Mahalingam
Assignee (at issue)
Avon Products, 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.