Granted Patent
Utility
US 6,004,466 · App. 09/183,378
Recovery and reuse of sugar-derived nonionic surfactants from aqueous solutions
Inventors:
Paul-Joel Derian, Manilal S. Dahanayake, Mark Ventura, Jeremy LaCrosse
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Oct 30, 1998
Inventors
Paul-Joel Derian
Manilal S. Dahanayake
Mark Ventura
Jeremy LaCrosse
Assignee (at issue)
Rhodia, Inc.
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.