Granted Patent
Utility
US 5,928,382 · App. 08/701,475
Bleaching composition comprising polyoxometallates as bleaching catalyst
Inventors:
Gerd Reinhardt, Vera Friderichs, Bernd Scharbert, Rolf Peter Schulz, Bernt Krebs, Rainer Bohner, Christian Thulig
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Aug 22, 1996
Inventors
Gerd Reinhardt
Vera Friderichs
Bernd Scharbert
Rolf Peter Schulz
Bernt Krebs
Rainer Bohner
Christian Thulig
Assignee (at issue)
Clariant Corporation
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.