Granted Patent
Utility
US 6,716,807 · App. 10/025,238
Detergent compositions
Inventors:
Philippus C. van der Hoeven, Kenneth Metcalfe
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Dec 19, 2001
Inventors
Philippus C. van der Hoeven
Kenneth Metcalfe
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.