Herbicidal hydroximic acid derivatives

A hydroximic acid compound of formula I

• wherein
• X is oxygen or sulfur;
• Y is oxygen or sulfur;
• R1 is hydrogen, C1-C4-alkyl, amino, C1-C4-alkylamino or di(C1-C4-alkyl)amino;
• R2 is C1-C3-haloalkyl;
• R3 is hydrogen, halogen or C1-C4-alkyl;
• R4 is hydrogen or halogen;
• R5 is cyano or halogen;
• R6 is C1-C6-alkyl, C2-C6-alkenyl, C3-C6-alkynyl or is phenyl-C1-C6-alkyl, wherein the phenyl ring is unsubstituted or is substituted by one to three substituents selected from the group consisting of cyano, nitro, halogen, C1-C4-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyloxy, C3-C6-alkynyloxy and (C1-C6-alkoxy)carbonyl;
• R7 is a C1-C6-alkyl, C2-C6-alkenyl, C3-C6-alkynyl or phenyl-C1-C6-alkyl group, wherein these 4 groups are unsubstituted or are substituted by one or two substituents selected from the group consisting of halogen, C1-C3-alkoxy, C1-C3-alkoxyimino, (C1-C3-alkoxy)carbonyl, (C1-C3-alkylamino)carbonyl, di(C1-C3-alkyl)aminocarbonyl and CO—N(C1-C3-alkyl)-(C1-C3-alkoxy), wherein the 4 last-mentioned radicals, in turn, are unsubstituted or are substituted by a (C1-C3-alkoxy)carbonyl or a C1-C4-alkoxy group;
• or an agriculturally useful salt of the compound I.