US 12,110,398 B2
Metallic bismuth pigments
Blayne Phillips, Cincinnati, OH (US); Jonathan Doll, Cincinnati, OH (US); Jami Bennett, Cincinnati, OH (US); Lisa Clapp, Cincinnati, OH (US); and Russell Schwartz, Cincinnati, OH (US)
Assigned to SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
Filed by SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
Filed on May 12, 2021, as Appl. No. 17/318,502.
Application 17/318,502 is a continuation of application No. PCT/US2019/060929, filed on Nov. 12, 2019.
Claims priority of provisional application 62/767,001, filed on Nov. 14, 2018.
Prior Publication US 2021/0261784 A1, Aug. 26, 2021
Int. Cl. C09C 1/00 (2006.01); C09C 1/62 (2006.01); C09D 11/037 (2014.01)
CPC C09C 1/0021 (2013.01) [C09C 1/0015 (2013.01); C09C 1/006 (2013.01); C09C 1/622 (2013.01); C09D 11/037 (2013.01); C01P 2004/24 (2013.01); C01P 2004/54 (2013.01); C01P 2004/61 (2013.01); C01P 2006/60 (2013.01); C01P 2006/62 (2013.01); C01P 2006/63 (2013.01); C01P 2006/64 (2013.01); C09C 2200/1054 (2013.01); C09C 2200/24 (2013.01); C09C 2200/308 (2013.01); C09C 2200/405 (2013.01); C09C 2220/20 (2013.01)] 18 Claims
 
1. A metallic pigment comprising bismuth metal or alloy and an organic additive comprising a lubricant, wherein the pigment comprises one or more inorganic outer layers, is platelet shaped, and wherein the pigment comprises three or more layers, and one or more organic outer layers,
wherein the bismuth metal or alloy is a bismuth comprising layer;
wherein one or more layers comprises a dielectric layer;
wherein one or more layers comprise an additional metal layer; and
wherein the dielectric layers are between the bismuth-comprising layer and the additional metal layer.