Granted Patent
Utility
US 4,437,874 · App. 06/389,956
Tri-mixed alkylsulfonium salts of N-phosphonomethylgylcine and their use as plant growth regulators and herbicides
Inventor:
George B. Large
Patented Case
View Patent ↗
Granted: Mar 20, 1984
Filed: Jun 21, 1982
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.