Patent ID: 8343636

Claim:
A compound selected from the group consisting of: (a) tris(4-carbazole)triphenylamine-tri(trifluorovinyl ether), (b) tris(4-(3-n-butyl-carbazole))triphenylamine-tri(trifluorovinyl ether), (c) tris(4-carbazole)triphenylamine-bi(vinyl benzyl ether), (d) N,N-diphenyl-N,N-bis-(3-methylphenyl)-(1,1′)-biphenyl-4,4′-diamine-bis(vinyl benzyl ether), (e) bis-N,N-diphenyl-N,N-bis-(3-methylphenyl)-(1,1′)-biphenyl-4,4′-diamine-bi(vinyl benzyl ether), (f) N,N′-diphenyl-N,N′-bis(1-naphthyl)-1,1′-biphenyl-4,4′-diamine-bis(vinyl benzyl ether), and (g) bis-N,N′-diphenyl-N,N′-bis(1-naphthyl)-1,1′-biphenyl-4,4′-diamine-bis(vinyl benzyl ether).