Granted Patent
Utility
US 4,409,399 · App. 06/328,639
Process for producing aliphatic amines
Inventors:
Harold E. Swift, Robert A. Innes, Anatoli Onopchenko
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Dec 9, 1981
Inventors
Harold E. Swift
Robert A. Innes
Anatoli Onopchenko
Assignee (at issue)
Millmaster Onyx Group, 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.