Granted Patent
Utility
US 4,634,690 · App. 06/632,139
Substituted pyrimidinyl organophosphorus insecticides
Inventors:
Mark A. Dekeyser, Benjamin J. Pierce, Richard C. Moore, Winchester L. Hubbard
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Jul 18, 1984
Inventors
Mark A. Dekeyser
Benjamin J. Pierce
Richard C. Moore
Winchester L. Hubbard
Assignees (at issue)
Uniroyal Chemical Company, Inc.
Uniroyal Ltd.
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.