No. 09/812,581, filed Mar. 20, 2001, which are both incorporated herein by reference. [0274] The polyesters of the present invention may also contain small amounts of a trifunctional or tetrafunctional comonomer such as trimellitic anhydride, trimethylolpropane, pyromellitic dianhydride, pentaerythritol, or other polyester forming polyacids or polyols generally known in the art.