Patent ID: 8894762

Claim:
A phase change ink comprising: an amorphous compound, wherein the amorphous compound comprises a first ester of tartaric acid of the formula wherein each of R 1 , R 2 , R 3 , R 4 , and R 5 is independently selected from an alkyl group, wherein the alkyl is straight, branched or cyclic, saturated or unsaturated, substituted or unsubstituted, having from about 1 to about 40 carbon atoms, or a substituted or unsubstituted aromatic or heteroaromatic group; a crystalline compound, wherein the crystalline compound comprises a second ester of tartaric acid of the formula wherein each of R 6 and R 7 is independently selected from an aryl or a heteroaryl optionally substituted with a lower alkyl group, an alkoxy group, or a combination thereof, and wherein each n is independently selected from an integer from 0 to 3; an optional colorant; an optional synergist; an optional dispersant; and at least one polyhydroxyalkanoate compound of the formula wherein R is independently selected from the group consisting of a hydrogen atom, a hydrocarbon group, a heteroatom, and combinations thereof; wherein n represents the number of repeating units of from 1 to about 35,000; and wherein x represents an integer from 1 to about 5.