Granted Patent
Utility
US 5,612,467 · App. 08/212,000
Process for the production of light-colored alkyl oligoglycoside pastes
Inventors:
Manfred Weuthen, Burkhard Beckedahl, Irmgard Hartel
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: Apr 21, 1994
Inventors
Manfred Weuthen
Burkhard Beckedahl
Irmgard Hartel
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.