Corrosion inhibitive pigment

C - Chemistry – Metallurgy – 09 – C

Patent

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6/194, 31/44, 40

C09C 1/34 (2006.01) C08J 3/20 (2006.01) C09D 5/08 (2006.01)

Patent

CA 1110441

CORROSION INHIBITIVE PIGMENT ABSTRACT OF THE DISCLOSURE A chromium chromate complex, obtained by partial reduction of chromic acid in aqueous media with an organic reducing agent, is converted to pigment form by evaporating the resulting aqueous composition to dryness and sub-divid- ing the obtained solid mass to suitable size. The obtained pigment, with or without intimately associated extenders, incorporated in a conventional vehicle, serves as a corrosion inhibitor in metal coating compositions.

320586

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