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US 5,180,414 AGranted
Herbicidal compositions comprising N-phosphonomethylglycine and alkyl polyoxyethylene phosphoric acid ester surfactants
AssigneeRhone-Poulenc Agrochimie
InventorsFrancois Darchy, Jean-Claude Zobel
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Abstract
Liquid herbicidal compositions comprising aqueous solutions containing: (a) N-phosphonomethylglycine or one of its derivatives, in the amount of at least 40 grams of glyphosate equivalent per liter of solution; and (b) a surfactant having activating character, of the formula ##STR1## wherein R is an alkyl radical having 4 to 12 carbon atoms, n is an integer from 2 to 10 and M is a hydrogen, sodium, ammonium or alkylammonium.
Claims37
A liquid herbicidal composition comprising an aqueous solution containing:
- (a) a herbicidally effective amount of N-phosphonomethylglycine and/or a herbicidally active derivative thereof, said amount being at least about 40 grams of glyphosate equivalent per liter of solution;
- and
- (b) an effective amount of an activating surfactant of the formula ##STR3## wherein R is an alkyl radical having from 4 to 12 carbon atoms, n is an integer from 2 to I0 and M is hydrogen, sodium, ammonium or alkylammonium.
Dependencies are inferred from the claim text.