Synergistic herbicidal compositions comprising glyphosate or glufosinate in combination with a sulfonylurea herbicide

US5599769A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Erwin Hacker · Hochheim, DE
• Manfred Rottele · Kelkheim, DE
• Walter Dannigkeit · Kelkheim, DE
• Martin Hess · Mainz, DE
• Hans Schumacher · Flörsheim, DE

Key dates

• Filing date: Jun 5, 1995
• Grant date: Feb 4, 1997
• Expiry date: Jun 5, 2015

Classification

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

Abstract

Synergistically increased effects against undesirable plant growth are achieved by a combined application of an active substance of the type A with an active substance of the type B, where type A represents the herbicides glufosinate (A1), glyphosate (A2), or salts thereof, and type B represents sulfonyl ureas of the formula (B) ##STR1## where R.sup.1 is a radical from the group comprising 2-ethoxyphenoxy, 2-propoxyphenoxy, 2-isopropoxyphenoxy, 2-methoxycarbonylphenyl, 3-(dimethylaminocarbonyl)-pyrid-2-yl, 3-ethylsulfonylpyrid-2-yl, 3-[N-(C.sub.1 -C.sub.4 -alkyl)-N-(C.sub.1 -C.sub.4 -alkylsulfonyl)amino]pyrid-2-yl, (N-methyl-N-methylsulfonyl)aminosulfonyl, 2-(2-chloroethoxy)phenyl, 2-(methoxycarbonyl)phenyl, 2-(meth-oxycarbonyl)thien-3-yl, with the remaining substituents as defined herein.