Granted Patent
Utility
US 6,569,827 · App. 09/880,237
Concentrated liquid detergent composition
Inventors:
Willem Van Dijk, Theresia Maria Olsthoorn, Marja Ouwendijk, Johannes C. van de Pas
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Jun 13, 2001
Inventors
Willem Van Dijk
Theresia Maria Olsthoorn
Marja Ouwendijk
Johannes C. van de Pas
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.