Granted Patent
Utility
US 6,696,400 · App. 10/223,565
Photobleach speckle and laundry detergent compositions containing it
Inventors:
Paulo Puelle Andrade, Juan Jose Bonelli, Marcio Henrique Perissinotto Bonfa, Paulo-Enrique De Gusmao
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Aug 19, 2002
Inventors
Paulo Puelle Andrade
Juan Jose Bonelli
Marcio Henrique Perissinotto Bonfa
Paulo-Enrique De Gusmao
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.