Granted Patent
Utility
US 5,723,428 · App. 08/643,086
Detergent compositions and process for preparing them
Inventors:
Jelles Vincent Boskamp, Timothy Richard Bundy, Marilena Coruzzi, Pauline Farnworth, Mark P. Houghton, Christophe Joyeux, Peter C. Knight, Leandre Naddeo, Alistair Richard Sanderson
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: May 2, 1996
Inventors
Jelles Vincent Boskamp
Timothy Richard Bundy
Marilena Coruzzi
Pauline Farnworth
Mark P. Houghton
Christophe Joyeux
Peter C. Knight
Leandre Naddeo
Alistair Richard Sanderson
Assignee (at issue)
Lever Brothers Company
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.