Patent ID: 7524896

Claim:
A hydroxypivalyl hydroxypivalate ester compound selected from the group represented by formulae 5 through 10: R 3 OCO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2- CH 2 —OCOR 2 (5) R 2 OCO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2- CH 2 —OCOR 3 (6) R 4 OCO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2- CH 2 —OCOR 4 (7) R 1 OCO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2 —CH 2 —OCOR 1 (8) R 2 OCO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2 —CH 2 —OCOR 3 (9) R 4 OCO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2 —COO—CH 2 C(CH 3 ) 2 —CH 2 —OCOR 4 (10) where, R 1 and R 2 are each independently a C3-C12 alkyl group and R 3 and R 4 are each independently a C6-C10 aryl group.