Granted Patent
Utility
US 6,355,822 · App. 09/616,875
Process for selective reduction
Inventors:
Dean Vincent Johnson, Peter Pochlauer, Herfried Griengl
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Jul 14, 2000
Inventors
Dean Vincent Johnson
Peter Pochlauer
Herfried Griengl
Assignee (at issue)
DSM Fine Chemicals Austria NFG GmbH & Co KG
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.