Granted Patent
Utility
US 5,955,587 · App. 08/952,643
Process for preparing alkyl oligoglucosides with a high degree of oligomerization
Inventor:
Manfred Weuthen
Patented Case
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Granted: Sep 21, 1999
Filed: Nov 20, 1997
Inventor
Manfred Weuthen
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.