Granted Patent
Utility
US 5,789,372 · App. 08/929,745
Surfactant mixtures having improved surface-active properties
Inventor:
Bernd Fabry
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Sep 15, 1997
Inventor
Bernd Fabry
Assignee (at issue)
Henkel Kommanditgesellschaft auf Aktien
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.