Patent ID: 7595411

Claim:
A pharmaceutical composition comprising a water-insoluble pharmaceutically active ingredient and a compound represented by Structural Formula (I): in which A is: wherein: R 1 and R 2 are, independently of one another, hydrogen, a saturated or unsaturated, branched or unbranched, substituted or unsubstituted acyl or alkyl radical, wherein the total number of carbon atoms in R 1 and R 2 combined is from 16 to 44 carbon atoms; m is 1 or 2; n is an integer from 2 to 8; R 3 is: a) 1,2-hydroxypropyl, or b)alkyl with 1 to 3 carbon atoms when z is greater than 0, or c)alkyl with 1 to 3 carbon atoms when n is not 2 and z is 0; x is an integer from 0 to 8; y is 1 when z is 2 to 5 and y is from 1 to 4 when z is 1; and z is an integer from 0 to 5.