Aqueous herbicidal agent

US6764979B2 · kind B2 · utility

Assignee

• Cognis Deutschland GmbH & Co. KG · DE

Inventors

• Horst-Werner Wollenweber · Goldkronach, DE
• Hans-Georg Mainx · Leichlingen, DE
• Benoit Abribat · Dannemois, FR
• Hans De Ruiter · Wageningen, NL

Key dates

• Filing date: Feb 20, 2003
• Grant date: Jul 20, 2004
• Expiry date: Apr 2, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N37/34
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A herbicidal agent comprising: (1) water; (2) ioxynil and/or a derivative thereof; (3) a compound of the formula (I)RO—(CH2H4O)n(CH3H6O)m—R′  (I)wherein RO is an alcohol radical selected from the group consisting of branched or linear, saturated or unsaturated monohydric alcohols having from 1 to 6 carbon atoms, or a polyol radical having from 2 to 12 carbon atoms and from 2 to 6 hydroxyl groups; R′ is hydrogen or an ester group —CO—R″ wherein R″ is a branched or linear, saturated or unsaturated alkyl radical having 5 to 29 carbon atoms, n is a number between 1 and 50 and m is zero or a number between 1 and 10. The herbicidal agents permit high penetration of the herbicide into the plant.