Granted Patent
Utility
US 4,376,644 · App. 06/324,284
Tri-mixed alkylsulfonium salts of N-phosphonomethylglycine and their use as plant growth regulators and herbicides
Inventor:
George B. Large
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Nov 25, 1981
Inventor
George B. Large
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.