Granted Patent
Utility
US 4,294,604 · App. 06/124,185
Use of selected N-(2,6-dimethylphenyl)-alanine methyl ester compounds as ammonium nitrification compounds
Inventor:
Thomas Evrard
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Feb 25, 1980
Inventor
Thomas Evrard
Assignee (at issue)
Olin Corporation
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.