PROCEDIMIENTO DE OBTENCION DE UN DESARROLLADOR DE COLOR PARASISTEMAS COPIADORES SIN CARBON

摘要

A chelated metal modified phenolic resin simultaneously formed and undergoing metal modification in an in situ reaction comprising the reaction product of a mixture of a para-substituted phenol, formaldehyde, salicylic acid, and metal oxide, in sufficient amounts, to thereby form said chelated metal modified penholic resin.