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Patents

Infrared Reflecting Black Pigment

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

U.S. 8,546,475 B2
Toda Kogyo Corporation has obtained a patent for an infrared reflecting black pigment comprised of a compound comprised of, in mol percent, based on all of the metal elements in the black pigment 15%-90% Fe, 5%-45% Mn and at least one element selected from the group consisting of Mg, Al, Ca, Si, Sr and Ba, each, when present, in an amount of 5%-65% and provided that the compound is devoid of Cr and Co, which infrared reflecting black pigment has a blackness (L* value) of not more than 30 and a solar radiation reflectance of not less than 15%.

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