Granted Patent
Utility
US 5,510,482 · App. 08/324,318
Process for bleaching discolored surface-active alkyl glycosides and for working up the bleached material
Inventors:
Willi Wuest, Rainer Eskuchen, Paul Schulz, Volker Bauer, Franz-Josef Carduck, Herbert Esser, Christiane Zeise, Manfred Weuthen, Josef Penninger
Patented Case
View Patent ↗
Granted: Apr 23, 1996
Filed: Oct 17, 1994
Inventors
Willi Wuest
Rainer Eskuchen
Paul Schulz
Volker Bauer
Franz-Josef Carduck
Herbert Esser
Christiane Zeise
Manfred Weuthen
Josef Penninger
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.