Granted Patent
Utility
US 5,599,476 · App. 08/522,031
Detergent compositions
Inventors:
Ansgar Behler, Brigitte Giesen, Hans-Christian Raths, Harald P. Wulff
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Sep 1, 1995
Inventors
Ansgar Behler
Brigitte Giesen
Hans-Christian Raths
Harald P. Wulff
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.