Granted Patent
Utility
US 6,573,231 · App. 09/805,263
Detergent compositions
Inventors:
Vera Johanna Bakker, Daniel Pierre Berthod, Christophe Joyeux, Duncan Howard Wright
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Mar 13, 2001
Inventors
Vera Johanna Bakker
Daniel Pierre Berthod
Christophe Joyeux
Duncan Howard Wright
Assignee (at issue)
Unilever Home & Personal Care USA, Division of Conopco, 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.