The invention provides dispersing resins for solids, obtainable by full or partial reaction ofA) one or more amino-functional polymers withB) one or more polyesters of the general formula (I)/(Ia)T-C(O)—[O-A-C(O)]x—OH (I)T1-O—[C(O)-A-O—]y—Z (Ia) andC) one or more polyethers of the general formula (II)/(IIa)T2-B—Z (II)T-O—B—Z (IIa).