Granted Patent
Utility
US 5,773,595 · App. 08/722,086
Cationic sugar surfactants
Inventors:
Manfred Weuthen, Joerg Kahre, Hermann Hensen, Holger Tesmann
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Oct 18, 1996
Inventors
Manfred Weuthen
Joerg Kahre
Hermann Hensen
Holger Tesmann
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.