Patent ID: 8378135

Claim:
A multifunctional alcohol, or acrylate or phosphate derivative thereof, having a structure: wherein: X=each independently —(C(OY)R 6 )—(CH(OY)R 6 ) at terminal position and —(C(OY)R 6 ) 2 — at linking position Y=each independently H, —C(O)—CR 6 ═CHR 5 or —P(OR 7 ) 2 O R 1 ═H, OH, COOH or alkyl R 2 ═H, OH, COOH or Halogen R 3 ═H, OH, alkyl, aryl, alkoxy, aryloxy or halogen R 4 ═H, OH, COOH, alkyl, aryl, or halogen R 5 =each independently H, alkyl, alkyl ester, aryl or halogen R 6 =each independently OH, alkyl, aryl or halogen R 7 =each independently H, OH, halogen, alkoxy, aryloxy, aryl or alkyl ester R 8 ═H, alkyloyl, aryloyl or Y wherein the compound comprises at least three hydroxyl groups including at least two in the side chain.