Granted Patent
Utility
US 4,847,288 · App. 07/153,106
Allenyl amines
Inventors:
James R. McCarthy, Thomas M. Bargar, Charlotte L. Barney, Donald P. Matthews, Robert J. Broersma, Jr.
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Feb 8, 1988
Inventors
James R. McCarthy
Thomas M. Bargar
Charlotte L. Barney
Donald P. Matthews
Robert J. Broersma, Jr.
Assignee (at issue)
Merrell Dow Pharmaceuticals 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.