Granted Patent
Utility
US 4,797,147 · App. 07/091,162
Herbicidal method and composition utilizing certain 5-(2-substituted benzoyl)-barbituric acids
Inventors:
David L. Lee, Charles G. Carter
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Aug 31, 1987
Inventors
David L. Lee
Charles G. Carter
Assignee (at issue)
Stauffer Chemical Company
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.