Granted Patent
Utility
US 5,633,359 · App. 08/502,878
Method for making alkyl polyglycosides
Inventor:
James D. Beaulieu
Patented Case
View Patent ↗
Granted: May 27, 1997
Filed: Jul 17, 1995
Inventor
James D. Beaulieu
Assignee (at issue)
Henkel Limited
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.