2-azabicyclo[2.2.1]hept-5-ene-2-acetic acid, derivatives thereof and related compounds, process for the preparation of said compounds and n-phosphonomethylglycine

Granted: Feb 8, 1994 Filed: Jun 26, 1992

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.