Granted Patent
Utility
US 6,720,299 · App. 10/075,997
Bleaching composition of enhanced stability and a process for making such a composition
Inventors:
Andrew Paul Chapple, Antonius Henricus J. Strijbosch
Patented Case
View Patent ↗
Granted: Apr 13, 2004
Filed: Feb 14, 2002
Inventors
Andrew Paul Chapple
Antonius Henricus J. Strijbosch
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.