Alcan Aluminum Corporation

Harry E Bell

Coatings, primarily finish coatings for topical applications, pigmented with substantially nonleafing aluminum flake produced by reducing aluminum to flake form in the presence of a milling agent comprised of isostearic acid, either alone or together with another nonleafing milling agent.

Coatings pigmented with nonleafing aluminum flake

A process for making aluminum flake pigment by reducing aluminum to flake form in the presence of a milling agent, wherein the milling agent comprises isostearic acid, alone or together with a small amount of other, nonleafing milling agents. The product is a substantially nonleafing pigment constituted of aluminum flake particles having a surface layer of isostearic acid milling agent residue.

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East Brunswick, NJ, United States of America

Harry E Bell