Patent ID: 9306172
Filing Date: 2016-04-05
CPC Classification: C07D,C07F,H01L,Y02E

Claim Text:
1. A compound of formula I wherein one of Y one of Y X is —O—, —S—, —Se— or —NR R straight chain, branched or cyclic alkyl with 1 to 20 C-atoms, which is unsubstituted or substituted by one or more groups L, and wherein one or more non-adjacent CH or denote aryl or heteroaryl with 4 to 20 ring atoms which is unsubstituted or substituted by one or more groups L, Ar L is selected from P-Sp-, F, Cl, Br, I, —OH, —CN, —NO P is a polymerisable group, Sp is a spacer group or a single bond, X R Y m is 1 or 2, n is 1 or 2.