Granted Patent
Utility
US 4,604,455 · App. 06/681,731
Process of preparing azoalkane mixture containing at least one unsymmetrical azoalkane
Inventor:
Ronald E. MacLeay
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Dec 14, 1984
Inventor
Ronald E. MacLeay
Assignee (at issue)
Pennwalt Corporation
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.