Granted Patent
Utility
US 4,828,824 · App. 07/095,854
Dentifrice containing a poly(hydroxypropyl ether) non-ionic surfactant and a salt of a specific derivative of a protein degradation product
Inventor:
Jean F. Grollier
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Sep 14, 1987
Inventor
Jean F. Grollier
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.