Mixtures of triazine sulfonylurea herbicides and pyrazoline safeners

US5571772A · kind A · utility

Assignee

• Hoechst Schering Agrevo GmbH · DE

Inventors

• Lothar Willms · Hillscheid, DE
• Hermann Bieringer · Eppstein, DE
• Erwin Hacker · Hochheim, DE
• Heinz Kehne · Hofheim, DE

Key dates

• Filing date: Sep 28, 1994
• Grant date: Nov 5, 1996
• Expiry date: Sep 28, 2014

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N47/36
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Herbicide-safener combinations comprising PA1 A) at least one herbicidal active substance from the group of the substituted phenylsulfonylureas of the formula (A) and salts thereof; ##STR1## in which R.sup.1 -R.sup.4, W, X, Y, Z and Hal are as defined in claim 1, and PA1 B) at least one compound of the formulae (B1) and (B2) ##STR2## in which X', W', Z' R* and n' are as defined in claim 1, are suitable as selective herbicidal compositions for use in crop plants, for example in maize, rice, wheat, barley etc.