PERFECCIONAMIENTOS INTRODUCIDOS EN EL OBJETO DE LA PATENTE PRINCIPAL 394.577

摘要

The stabilisers against heat and oxidn. consist of mixts. of esters of formula (I), in which R1 is 1-6C alkyl, R2 is H or 1-6C alkyl, A is an aliphatic hydrocarbon gp., m is 0-6 and n is equal to the valency of A.