Copolymer of p-cresol and divinylbenzene, in the form of a solution in N,N-dimethylacetamide containing by weight 50 % or more of polymer; hydrogenated copolymers of vinyltoluene and α-methylstyrene
Para-krezol és divinilbenzol kopolimere oldatban, N,N-dimetilacetamidban oldva legalább 50 tömegszázalék polimertartalommal; vinil-toluol és α-metilsztirol hidrogénezett kopolimere