ApplicationNo. 526950 filed on 11/25/1974
US Classes:205/312, Nitrogen-heterocyclic compound-containing205/307, Nitrogen-heterocyclic compound-containing524/901, ELECTRODEPOSITABLE COMPOSITIONS528/405With reactant which is devoid of a heterocyclic ring containing oxygen, selenium or tellurium atoms as ring members
ExaminersPrimary: Kaplan, G. L.
Attorney, Agent or Firm
AbstractA brightener additive for zinc electroplating baths, which comprises: a water-soluble polymer prepared by the reaction of an epihalohydrin with a nitrogen heterocyclic compound such as the compounds of imidazole, pyrrole, cyclic amine of the formula: ##EQU1## and piperazine in the presence of a nitrogen compound such as the compounds of aliphatic amines, hexamethylenetetramine and ammonia.