Granted Patent
Utility
US 5,139,784 · App. 07/493,080
Alkyl diamides and cosmetic treating compositions therewith
Inventor:
Joseph P. Ciaudelli
Patented Case
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Granted: Aug 18, 1992
Filed: Mar 13, 1990
Inventor
Joseph P. Ciaudelli
Assignee (at issue)
Revlon
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.