US 11,957,769 B2
Polyhydroxy fullerene sunscreen active agents and compositions
Vijay Krishna, Cleveland Heights, OH (US); Sanjay Anand, Cleveland, OH (US); Edward Maytin, Cleveland, OH (US); and Stephen Grobmyer, Cleveland, OH (US)
Assigned to THE CLEVELAND CLINIC FOUNDATION, Cleveland, OH (US)
Filed by THE CLEVELAND CLINIC FOUNDATION, Cleveland, OH (US)
Filed on Feb. 22, 2021, as Appl. No. 17/182,093.
Application 17/182,093 is a division of application No. 16/075,854, granted, now 10,925,817, previously published as PCT/US2017/016669, filed on Feb. 6, 2017.
Claims priority of provisional application 62/290,997, filed on Feb. 4, 2016.
Prior Publication US 2021/0251860 A1, Aug. 19, 2021
Int. Cl. A61K 8/19 (2006.01); A61K 8/11 (2006.01); A61K 8/44 (2006.01); A61Q 17/04 (2006.01)
CPC A61K 8/19 (2013.01) [A61K 8/11 (2013.01); A61K 8/44 (2013.01); A61Q 17/04 (2013.01); A61K 2800/56 (2013.01)] 3 Claims
 
1. A sunscreen composition, comprising a dermatologically acceptable carrier and a polymer-bearing fullerene compound according to the formula C2n[CmOpHq](OH)t(COOH)w(COOM)xOyMz, wherein M is an alkali metal, alkaline earth metal, transition metal, post-transition metal, or lanthanide, n is a number ranging from 10 to 270, m is a number ranging from 1 to 30, p is a number ranging from 0 to 15, q is a number ranging from 2 to 60 t is number ranging from 8 to 60, w is a number ranging from 0 to 60, x is a number ranging from 0 to 60, y is a number ranging from 0 to 30, and z is a number ranging from 0 to 30.