Granted Patent
Utility
US 6,074,437 · App. 09/264,191
Bleaching with polyoxometalates and air or molecular oxygen
Inventors:
Uday Shanker Racherla, Qin Chen
Patented Case
View Patent ↗
Granted: Jun 13, 2000
Filed: Mar 5, 1999
Inventors
Uday Shanker Racherla
Qin Chen
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.