Granted Patent
Utility
US 5,621,008 · App. 08/549,419
N-acyl-ethylene-triacetic acids
Inventor:
Dmitri Ptchelintsev
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Oct 27, 1995
Inventor
Dmitri Ptchelintsev
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.