Granted Patent
Utility
US 5,204,099 · App. 07/654,187
Cosmetic composition containing amino acid copolymers which is useful as a moisturizer
Inventors:
Alain Barbier, Joseph Millan, Michel Sabadie
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Feb 12, 1991
Inventors
Alain Barbier
Joseph Millan
Michel Sabadie
Assignee (at issue)
Sanofi
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.