Imino-substituted phenyl compounds of the formula I where the substituents have the following meanings: z is a group A or B  where  # denotes the bond with the phenyl ring and  Ra is halogen, alkyl or alkoxy; y is halogen, alkyl, haloalkyl or alkoxy; n is 0, 1 or 2, it being possible for the radicals Y to be different if n=2; R1 is halogen, haloalkyl or alkoxy; R2 is alkyl, haloalkyl, alkenyl, haloalkenyl, alkynyl or haloalkynyl; R3 is cyano, alkyl, haloalkyl, alkoxy, cycloalkoxy, alkoxyalkyl;  unsubstituted or substituted cycloalkyl, aryl, aryloxy or arylmethylene, heteroaryl, heterocyclyl,  C(R3a)═N—OR3b or C(R3a)═CR3cR3d, where R3a, R3b, R3c, R3d independently of one another are hydrogen, alkyl or unsubstituted or substituted phenyl, processes for their preparation, and their use.