Patent ID: 8115036

Claim:
A fluorine-containing cyclic compound represented by the following general formula (5): in the general formula (5), each of R2 to R4 and R9 to R15 is independently a hydrogen atom, a halogen atom, or a C 1 -C 25 straight-chain, branched or cyclic alkyl group, and may contain fluorine atom, oxygen atom, sulfur atom, or nitrogen atom; R10 and R11 or R12 and R13 may be bonded together to form a ring; in such case, it is an C 1 -C 25 alkylene group that may contain oxygen, sulfur, nitrogen or hetero atom; and “a” is 0 or 1, “b” is an integer of 0-2, and “c” is an integer of 0-2, and each of “a”, “b” and “c” is not zero at the same time.