Granted Patent
Utility
US 5,783,172 · App. 08/569,614
Dentifrice compositions comprising an abrasive system and a surfactant system
Inventors:
Jean-Marc Ascione, Pascal Sterle
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Dec 8, 1995
Inventors
Jean-Marc Ascione
Pascal Sterle
Assignee (at issue)
L'OREAL
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.