Granted Patent
Utility
US 6,508,941 · App. 09/883,830
Photocatalytic process
Inventors:
Jurgen Meyer, Hilmar Gilges, Ina Hemme, Anna Moiseev, Sven-Uwe Geissen
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: May 25, 2001
Inventors
Jurgen Meyer
Hilmar Gilges
Ina Hemme
Anna Moiseev
Sven-Uwe Geissen
Assignee (at issue)
Degussa AG
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.