Patent ID: 11917901
Assignee: UDC IRELAND LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  C  Y | IPC C  H

Claim 16:
17. The compound of claim 1, wherein
R is on each occurrence, identically or differently, H, D, F, Cl, Br, I, N(R1)2, CN, NO2, OH, COOH, C(═O)N(R1)2, Si(R1)3, B(OR1)2, C(═O)R1, P(═O)(R1)2, S(═O)R1, S(═O)2R1, OSO2R1 a straight-chain alkyl, alkoxy, or thioalkoxy group having 1 to 20 C atoms or an alkenyl or alkynyl group having 2 to 20 C atoms or a branched or cyclic alkyl, alkoxy or thioalkoxy group having 3 to 20 C atoms, each of which is optionally substituted by one or more radicals R1, wherein one or more non-adjacent CH2 groups is optionally replaced by R1C═CR1, C≡C, Si(R1)2, C═O, NR1, O, S, or CONR1 and wherein one or more H atoms is optionally replaced by D, F, Cl, Br, I, or CN, an aromatic or heteroaromatic ring system having 5 to 60 aromatic ring atoms optionally substituted by one or more radicals R1, an aryloxy or heteroaryloxy group having 5 to 40 aromatic ring atoms optionally substituted by one or more radicals R1, an aralkyl or heteroaralkyl group having 5 to 40 aromatic ring atoms optionally substituted by one or more radicals R1, or a diarylamino group, diheteroarylamino group, or arylheteroaryl-amino group having 10 to 40 aromatic ring atoms optionally substituted by one or more radicals R1.