Granted Patent
Utility
US 5,932,769 · App. 09/013,624
Multi-metallic actalysts for amination of alcohols to form alkylamines
Inventors:
Gamini Ananda Vedage, Kathryn Sue Hayes, Malee Leeaphon, John N. Armor
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Jan 26, 1998
Inventors
Gamini Ananda Vedage
Kathryn Sue Hayes
Malee Leeaphon
John N. Armor
Assignee (at issue)
Air Products and Chemicals, 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.