Granted Patent
Utility
US 5,883,068 · App. 08/817,046
Pumpable water-containing surfactant concentrates
Inventors:
Hermann Hensen, Renate Lindner, Joerg Kahre, Werner Seipel
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Apr 4, 1997
Inventors
Hermann Hensen
Renate Lindner
Joerg Kahre
Werner Seipel
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.