US 12,280,349 B2
Self-assembled melanin particles for color production
Ali Dhinojwala, Akron, OH (US); Ming Xiao, Cambridge, MA (US); Ziying Hu, Wilmette, IL (US); Matthew Shawkey, Ghent (BE); and Nathan Gianneschi, Wilmette, IL (US)
Assigned to The University of Akron, Akron, OH (US); and University of California, San Diego, San Diego, CA (US)
Filed by Ali Dhinojwala, Akron, OH (US); Ming Xiao, Cambridge, MA (US); Ziying Hu, Wilmette, IL (US); Matthew Shawkey, Ghent (BE); and Nathan Gianneschi, Wilmette, IL (US)
Filed on Sep. 13, 2022, as Appl. No. 17/943,667.
Application 17/943,667 is a continuation of application No. 16/462,768, abandoned, previously published as PCT/US2017/062952, filed on Nov. 22, 2017.
Claims priority of provisional application 62/425,285, filed on Nov. 22, 2016.
Prior Publication US 2023/0080523 A1, Mar. 16, 2023
Int. Cl. B01J 13/18 (2006.01); B82Y 20/00 (2011.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C09B 67/08 (2006.01); C09B 69/10 (2006.01)
CPC B01J 13/18 (2013.01) [C09B 67/0005 (2013.01); C09B 67/0007 (2013.01); C09B 69/104 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01)] 32 Claims
OG exemplary drawing
 
1. A core-shell nanoparticle capable of self assembly into a supraball for providing structural color comprising an inner high refractive index (RI) core and an outer low RI shell, wherein said inner high refractive index (RI) core comprises natural or synthetic melanin.