Lignin based anti-corrosive pigment

C - Chemistry – Metallurgy – 09 – B

Patent

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260/133, 400/140

C09B 61/00 (2006.01) C08L 97/00 (2006.01) C09D 5/08 (2006.01)

Patent

CA 1078828

ABSTRACT OF THE DISCLOSURE An organic anti-corrosive pigment is prepared by mixing a lignin type compound with a nitrogen compound such as urea, a urea derivative, melamine, melamine derivative, ammonia or an ammonium salt, condensing them by heating the mixture in a molten form, and pulverizing or dispersing the reaction mixture to form a pigment.

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