Salts of N-phosphonomethylglycine
AssigneeMonsanto Company
InventorJohn E. Franz
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Abstract
N-phosphonomethylglycine and novel derivatives thereof useful as phytotoxicants or herbicides.
Claims30
A compound of the formula ##STR3## wherein R, R.sup.1 and R.sup.2 are independently selected from the group consisting of --OH and --OR.sup.6 wherein R.sup.6 is a salt-forming cation selected from the group consisting of alkali metals, alkaline earth metals, copper, zinc, manganese, nickel, ammonium, and organic ammonium, and mixtures thereof provided that when the organic group is aryl the ammonium salt is a primary amine, further provided that no more than two of R, R.sup.1 or R.sup.2 are OR.sup.6 when R.sup.6 is ammonium or organic ammonium and that no more than two of R, R.sup.1 and R.sup.2 are --OH.
Dependencies are inferred from the claim text.