Patent ID: 7038076

Claim:
The fumarate derivative, which is represented by formula (10): (wherein Z represents an organic residue derived from a tri-, tetra-, penta- or hexa-hydric alcohol, R 1 independently represents formula (3) or formula (4), each X 5 , which is present in the number of a in formula (10), independently represents an alkylene group or a cycloalkylene group having from 5 to 12 carbon atoms, a represents an integer of 1 to 5, b represents an integer of 1 to 6, c represents an integer of 0 to 5, and b+c is from 3 to 6); (wherein R 2 and R 3 each independently represents hydrogen atom or an alkyl group having from 1 to 5 carbon atoms); R 4 —C═C— Formula (4) (wherein R 4 represents hydrogen atom or an alkyl group having from 1 to 11 carbon atoms).