Herbicidal compositions

A - Human Necessities – 01 – N

Patent

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A01N 47/36 (2006.01) A01N 25/30 (2006.01)

Patent

CA 2417325

The invention relates to a herbicidal agent containing the following: A) one or more sulfonylureas of general formula (I) wherein R1 is C2-C4-alkoxy or CO- Ra, wherein Ra is equal to OH, C1-C6-alkoxy or NRbRc, wherein Rb and Rc independently of each other, are the same or different and are H or C1-C6- alkyl, R2 is halogen or (A)n-NRdRe, wherein n is equal to zero or 1, A is a group CRfRg, wherein Rf and Rg, independently of each other, are the same or different and are H or C1-C6-alkyl, Rd is equal to H or C1-C6-alkyl and Re is H, C1-C6-alkyl or an acyl radical, and wherein Rd and Re can also form a heterocyclical ring; and R2 can also be H if R1 is equal to C2-C4-alkoxy; R3 is H or C1-C6-alkyl; m is equal to zero or 1; x and Y, independently of each other, are the same or different and are C1-C6-alkyl, C1-C6-alkoxy or C1-C6- alkylthio, each of the three aforementioned radicals being unsubstituted or substituted with one or more radicals from the following group: halogen, C1-C4- alkoxy and C1-C4-alkylthio, or C3-C6-cycloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, C3-C6-alkenyloxy or C3-C6-alkynyloxy, preferably C1-C4-alkyl or C1-C4--alkoxy; and Z is equal to CH or N; and/or their salts; and B) one or more tensides containing at least 10 alkylene oxide units as a structural element.

La présente invention concerne un agent herbicide contenant A) une ou plusieurs carbamides de sulfonyle de la formule générale (I) et/ou les sels de ces celles-ci, R?1¿ étant C¿2?-C¿4?-alkoxy ou CO-R?a¿, R?a¿ étant OH, C¿1?-C¿6?-alkoxy ou NR?b¿R?c¿, R?b¿ et R?c¿ étant indépendamment l'un de l'autre H ou C¿1?-C¿6?-alkyle ; R?2¿ étant un halogène ou (A) étant ¿n?-NR?d¿R?e¿, n étant nul ou égal à 1, A étant un groupe CR?f¿R?g, R?f¿ et R?g¿ étant indépendamment l'un de l'autre H ou C?1¿-C?6¿-alkyle, R?d¿ étant H ou C¿1?-C¿6?-alkyle et R?e¿ étant H, C¿1?-C¿6?-alkyle ou un reste acyle, R?d¿ et R?e¿ pouvant également former un cycle hétérocylique, et R?2¿ pouvant être H si R?1¿ est C¿2?-C¿4?-alkoxy; R?3¿ étant H ou C¿1?-C¿6?-alkyle ; m étant nul ou égal à 1 ; X et Y étant indépendamment l'un de l'autre C¿1?-C¿6?-alkyle, C¿1?-C¿6?-alkoxy ou C¿1?-C¿6?-alkyléthio, chacun des trois restes cités étant non-substitué ou substitué par un ou plusieurs restes du groupe halogène, C¿1?-C¿4?-alkoxy et C¿1?-C¿4?-alkyléthio, ou X et Y étant C¿3?-C¿6?-cycloalkyle, C¿2?-C¿6?-alcényle, C¿2?-C¿6?-alkynyle, C¿3?-C¿6?-alcényloxy ou C¿3?-C¿6?-alkynyloxy, de préférence C¿1?-C¿4?-alkyle ou C¿1-?C¿4?-alkoxy ; et Z étant CH ou N. Ledit agent herbicide contient également B) un ou plusieurs tensioactifs contenant en tant qu'élément structurel au moins 10 unités d'oxyde d'alkylène.

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