Granted Patent
Utility
US 5,824,635 · App. 08/638,530
Cationic compositions containing hydroxyester
Inventor:
Robert O. Keys
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Apr 26, 1996
Inventor
Robert O. Keys
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.