Granted Patent
Utility
US 5,554,740 · App. 08/294,689
Continuous bleaching of alkylpolyglycosides
Inventors:
Patrick M. McCurry, Jr., Robert L. Klein, Jr., Michael W. Gibson, James D. Beaulieu, Janet R. Varvil
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Aug 23, 1994
Inventors
Patrick M. McCurry, Jr.
Robert L. Klein, Jr.
Michael W. Gibson
James D. Beaulieu
Janet R. Varvil
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.