Patent ID: 7824844

Claim:
An antireflective coating composition, where the antireflective coating composition comprises a polymeric crosslinker and a solvent mixture, where the solvent mixture comprises at least one first organic solvent and at least one second organic solvent selected from any of structures 1, 2 and 3, where, R 1 , R 3 , and R 4 , are independently selected from H and C 1 -C 6 alkyl, and R 2 , R 5 , R 6 , R 7 , R 8 , and R 9 are independently selected from C 1 -C 6 alkyl and n=1-5, further where the polymeric crosslinker is derived from at least one glycoluril monomer and the polymeric crosslinker is soluble in the solvent mixture.