Herbicidal compositions with substituted phenylsulfonylureas for controlling weeds in rice

US6492301B1 · kind B1 · utility

Assignee

• Hoechst Schering Agrevo GmbH · DE

Inventors

• Erwin Hacker · Hochheim, DE
• Hermann Bieringer · Eppstein, DE

Key dates

• Filing date: Jul 14, 1999
• Grant date: Dec 10, 2002
• Expiry date: Jul 14, 2019

Classification

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

Abstract

Herbicidal compositions comprisingA) at least one herbicidally active compound from the group of the substituted phenylsulfonylureas of the formula I and their agriculturally accepted, i.e. acceptable and compatible, salts  in whichR1 is (C1-C8)-alkyl, (C3-C4)-alkenyl, (C3-C4)-alkynyl or (C1-C4)-alkyl, which is mono- to tetrasubstituted by radicals from the group consisting of halogen and (C1-C2)-alkoxy;R2 is I or CH2NHSO2CH3;R3 is methyl or methoxy; andZ is N or CH;andB) at least one herbicidally active compound from the group of the compounds consisting ofBa) herbicides which are selective in rice, mainly against grasses,Bb) herbicides which are selective in rice, mainly against dicotyledonous harmful plants and cyperaceae,Bc) herbicides which are selective in rice, mainly against cyperaceae, andBd) herbicides which are selective in rice, mainly against grasses and dicotyledonous harmful plants and also against harmful cyperaceae plants.