Patent ID: 7244798

Claim:
A (meth)acrylic compound having an oxetanyl group represented by the formula wherein R 1 is hydrogen or methyl, R 2 is hydrogen, methyl, or ethyl, L 1 and L 2 • each are selected from a single bond, —O—, —O—CO—, and —CO—O—, M represents a formula selected from formulas (2), (3) and (4) below, and n and m are each independently an integer from 0 to 10: —P 1 —L 3 —P 2 —L 4 —P 3 — (2) —P 1 —L 3 —P 3 — (3) —P 3 — (4) wherein P 1 and P 2 are each independently a group selected from formulas (5) below, P 3 is a group selected from formulas (6) below, and L 3 and L 4 are each independently selected from a single bond, —CH═CH—, —C≡C—, —O—, —O—CO— and —CO—O—