Granted Patent
Utility
US 6,455,490 · App. 09/590,313
Granular detergent component containing zeolite map and laundry detergent compositions
Inventors:
Daniel Pierre Berthod, Christophe Joyeux, Johannes Hendrikus Langeveld
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Jun 8, 2000
Inventors
Daniel Pierre Berthod
Christophe Joyeux
Johannes Hendrikus Langeveld
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.