Granted Patent
Utility
US 5,288,484 · App. 07/884,964
Cationic cellulose derivative containing fatty quaternum groups in a pre-shampoo conditioning composition
Inventor:
Anne Tashjian
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: May 15, 1992
Inventor
Anne Tashjian
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.