Patent ID: 11970562
Assignee: ZEON CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC C  B  G | IPC B  C  G

Claim 11:
12. The phase difference film according to claim 1, wherein
the polymerization unit A is represented by the general formula (A):, wherein RC is a group selected from the group consisting of a phenyl group, a biphenylyl group, a naphthyl group, an anthracenyl group, a phenanthrenyl group, a naphthacenyl group, a pentacenyl group, and a terphenylyl group; R1 to R3 are each independently a group selected from the group consisting of a hydrogen atom and an alkyl group of 1 to 12 carbon atoms, and
the polymerization unit B is represented by the general formula (B-1) or the general formula (B-2):, wherein R4 to R9 are each independently a group selected from the group consisting of a hydrogen atom and an alkyl group of 1 to 6 carbon atoms.