Patent ID: 7862981

Claim:
A compound comprising a polyhydric phenol compound represented by general formula (I) shown below and having a molecular weight of 300 to 2,500, in which some or all of the hydrogen atoms of the phenolic hydroxyl groups are substituted with acid dissociable, dissolution inhibiting groups: wherein R 11 to R 17 each independently represents an alkyl group of 1 to 10 carbon atoms or aromatic hydrocarbon group which may contain a hetero atom in the structure thereof; g and j each independently represents an integer of 1 or more, and k and q each independently represents 0 or an integer of 1 or more, with the proviso that g+j+k+q is 5 or less; h represents an integer of 1 or more, and l and m each independently represents 0 or an integer of 1 or more, with the proviso that h+l+m is 4 or less; i represents an integer of 1 or more, and n and o each independently represents 0 or an integer of 1 or more, with the proviso that i+n+o is 4 or less; and X represents an aliphatic cyclic group.