Patent ID: 8258326

Claim:
At least one compound of Formula I: wherein W 1 , W 2 , W 3 , W 4 , W 5 , W 6 , and W 7 , independently for each occurrence, are selected from —CH 2 —, —CH═CH—, and provided that at least one of W 1 , W 2 , W 3 , W 4 , W 5 , W 6 , or W 7 is T is O; z is an integer selected from 0 to 15; p is an integer selected from 0 to 15; q is an integer selected from 0 to 15; x is, independently for each occurrence, an integer selected from 0 to 20; y is, independently for each occurrence, an integer selected from 0 to 20; n is an integer selected from 0 to 20; and R 2 is selected from hydrogen and unsubstituted alkyl that is saturated or unsaturated, and branched or unbranched.