Granted Patent
Utility
US 6,340,665 · App. 09/380,916
Method for producing neutral sugar surfactant granulates
Inventors:
Thomas Lueder, Konstantinos Scholinakis, Bernhard Gutsche, Hermann Hensen, Werner Seipel
Patented Case
View Patent ↗
Granted: Jan 22, 2002
Filed: Dec 14, 1999
Inventors
Thomas Lueder
Konstantinos Scholinakis
Bernhard Gutsche
Hermann Hensen
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.