PROCESS FOR PRODUCING A CATALYTICALLY ACTIVE MATERIAL, CATALYTIC CONVERTER HAVING A CATALYTICALLY ACTIVE MATERIAL PRODUCED IN THIS MANNER, AND USE OF THE CATALYTIC CONVERTER TO BREAK DOWN DIOXINS AND/OR FURANS

Granted: Nov 5, 2002 Filed: Nov 7, 2001

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.