Potassium glyphosate formulations

US7049270B2 · kind B2 · utility

Assignee

• Monsanto Technology LLC · US

Inventors

• Patrick J. Lennon · Webster Groves, US
• Xiangyang Chen · Beijing, CN
• Graciela B. Arhancet · Holden, US
• Jeanette A. Glaenzer · University City, US
• Jane L. Gillespie · Chesterfield, US
• Jeffrey A. Graham · Chesterfield, US
• David Z. Becher · Chesterfield, US
• Daniel R. Wright · Chesterfield, US
• Henry Agbaje · Greensboro, US
• Xiaodong Xu · Bound Brook, US
• William Abraham · Wildwood, US
• Ronald J. Brinker · Ellisville, US
• Norman R. Pallas · Freehold, US
• Al Wideman · Chesterfield, US
• Martin D. Mahoney · San Jose, US
• Susan L. Henke · Webster Groves, US

Key dates

• Filing date: May 21, 2001
• Grant date: May 23, 2006
• Expiry date: Nov 22, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N57/20
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A herbicidal composition is provided comprising an aqueous solution of N-phosphonomethylglycine, predominantly in the form of the potassium salt thereof, at a concentration of at least 300 g a.e./l of the composition; and a surfactant component in solution or stable suspension, emulsion, or dispersion in the water, comprising one or more surfactants in a total amount of about 20 to about 300 g/l of the composition, wherein the composition has a viscosity of less than about 250 centipoise at 0° C. or a Gardner color value less than 10.