Patent ID: 6902820

Claim:
Coating compositions comprising: A) at least one hydroxy-functional polyester with at least two hydroxyl groups per molecule, at least one of which hydroxyl groups is a tertiary hydroxyl group, wherein the polyester has a weight average molecular weight Mw of 200 to 5,000, and the polyester contains 10-90 wt-%, relative to the total quantity of polyester, of at least one acid ester group comprising a tertiary hydroxyl group and of the following general formula I wherein R 1 is a single bond or a C1-C6 alkyl group, R 2 and R 3 mutually independently are a C1-C4 alkyl group, B) optionally, at least one additional hydroxy-functional binder other than A) and C) at least one cross-linking agent which is capable of entering into a cross-linking reaction with the OH-groups of components A) and B).