Granted Patent
Utility
US 6,171,345 · App. 08/982,806
Detergent compositions
Inventors:
Daniel Convents, Cornelis Theodorus Verrips
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jun 25, 1997
Inventors
Daniel Convents
Cornelis Theodorus Verrips
Assignee (at issue)
Lever Brothers Company, 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.