Patent ID: 11930695
Assignee: SUMITOMO CHEMICAL COMPANY LIMITED
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 4:
5. The block copolymer according to claim 4, wherein said crosslinkable group contains at least one group selected from the group consisting of crosslinkable groups represented by the formula (XL-1) to the formula (XL-19) in Group A:, , wherein,
nXL represents an integer of 0 or more and 5 or less, and a plurality of nXL may be the same or different,
RXL represents a methylene group, an oxygen atom or a sulfur atom, and when a plurality of R are present, they may be the same or different,
the wavy line indicates that the group having the wavy line is any one of a plurality of geometric isomers or contains a plurality of geometric isomers,
*1 represents a binding position,
the crosslinkable group in Group A optionally has a substituent, and when a plurality of the substituents are present, they may be combined together to form a ring together with carbon atoms to which they are attached.