US 12,441,891 B2
Chromatic glitter
Jami Rae Bennett, Cincinnati, OH (US); and Jonathan Daniel Doll, Cincinnati, OH (US)
Assigned to SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
Filed by SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
Filed on May 10, 2021, as Appl. No. 17/315,490.
Application 17/315,490 is a continuation of application No. PCT/US2018/060235, filed on Nov. 11, 2018.
Prior Publication US 2021/0261785 A1, Aug. 26, 2021
Int. Cl. C09C 1/00 (2006.01); A61K 8/02 (2006.01); A61K 8/19 (2006.01); A61Q 1/04 (2006.01)
CPC C09C 1/0033 (2013.01) [A61K 8/0258 (2013.01); A61K 8/19 (2013.01); A61Q 1/04 (2013.01); C09C 1/0036 (2013.01); C09C 1/0063 (2013.01); A61K 2800/436 (2013.01); C09C 2200/301 (2013.01)] 13 Claims
 
1. A high chroma glitter pigment comprising an ultra large flaky substrate, one or more absorption pigments or dyes, and an optional adhesion layer, wherein the ultra large flaky substrate comprises a large particle pearlescent pigment comprising a transparent, non-metallic, platelet-shaped substrate, selected from the group consisting of natural mica, synthetic mica, bismuth oxychloride, graphite, aluminum oxide, micaceous iron oxide, perlite, silicon dioxide, titanium dioxide-coated mica and iron oxide-coated mica, having a median diameter (50) from 1 μm to 500 μm, and is coated with one or more layers of metal oxides, each having its own refractive index, and wherein the ultra large flaky substrate has a median particle size, d50, at the largest dimension of greater than 500 μm, and a median thickness or height in the range of 0.1 μm-500 μm.