Patent ID: 9399702
Filing Date: 2016-07-26
CPC Classification: C07C,C07D,C08G,H01L,Y02E

Claim Text:
1. An oligomer or polymer having one or more repeating groups of the following formulae: where X′ is X or a divalent crosslinked remnant formed by addition polymerization of a crosslinkable X group; X is an inert substituent or a crosslinkable group represented by any one of the following formulae: —(R —(R —(R —(R where R R p is 0 or 1, with the proviso that in at least one occurrence in said compound, X is the crosslinkable group; Y is O, S or NR; R independently each occurrence is i) hydrogen; ii) halogen; iii) a C Z′ independently at each occurrence is hydrogen, a leaving group, a covalent bond, or a terminal group formed by replacement or reaction of a leaving group; n is 1 or 2; and n′ is 0, 1 or 2; wherein the oligomer or polymer comprises a 9,9-disubstituted fluorenediyl group which may be optionally substituted with one or more substituents.