Granted Patent
Utility
US 5,840,943 · App. 08/750,762
Polyolpolyhydroxystearates
Inventors:
Achim Ansmann, Rolf Kawa, Rainer Von Kries, Gabriele Strauss
Patented Case
View Patent ↗
Granted: Nov 24, 1998
Filed: Dec 13, 1996
Inventors
Achim Ansmann
Rolf Kawa
Rainer Von Kries
Gabriele Strauss
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.