	US 12,485,072 B1
	Eco-friendly and biocompatible hybrid nanomaterials in sunscreen
Faisal Khuwayshan L. Algethami, Riyadh (SA); Sameera Shukir Mohammed Ameen, Zakho (IQ); and Khalid Mohammad Omer, Sulaymaniyah (IQ)
Assigned to IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY, Riyadh (SA)
Filed by IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY, Riyadh (SA)
Filed on Nov. 24, 2024, as Appl. No. 18/957,812.
Int. Cl. A61K 8/19 (2006.01); A61Q 17/04 (2006.01)

CPC A61K 8/19 (2013.01) [A61Q 17/04 (2013.01); A61K 2800/26 (2013.01); A61K 2800/413 (2013.01); A61K 2800/52 (2013.01); A61K 2800/591 (2013.01); A61K 2800/612 (2013.01); A61K 2800/651 (2013.01); A61K 2800/82 (2013.01)]

19 Claims

1. A sunscreen formulation, comprising:

carbon quantum dots comprising reacted units of citric acid and reacted units of thiamine, wherein a weight ratio of the citric acid to the thiamine is from 0.4:1 to 0.7:1;

particles of a metal-organic framework comprising zinc and reacted units of terephthalic acid, wherein the metal-organic framework comprises F-MOF5, and the F-MOF5 comprises spherical particles having an average diameter of 4 to 8 nm;

a liquid carrier, and

a stabilizer,

wherein the carbon quantum dots are dispersed in the metal-organic framework, and

wherein the particles of the metal-organic framework are dispersed in the liquid carrier.