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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12751904 B1

PDFFull Text
Date of Patent:
Oct. 06, 2026

Filed:

Dec. 22, 2025

Cosmetic and dermatological compositions

Applicant:

Northeastern University, Boston, MA (US);

Inventors:

Leila Deravi, Cambridge, MA (US);

Camille A. Martin, Westbury, NY (US);

Amrita Kumar, Cambridge, MA (US);

Assignee:

Northeastern University, Boston, MA (US);

Attorney:

Hamilton, Brook, Smith & Reynolds, P.C.

Primary Examiner:

Melissa S Mercier

Assistant Examiner:

Caralynne E Helm

Int. Cl.
CPC ...
A61Q 17/04 (2006.01); A61K 8/02 (2006.01); A61K 8/25 (2006.01); A61K 8/26 (2006.01); A61K 8/29 (2006.01); A61K 8/41 (2006.01); A61K 8/49 (2006.01); A61K 8/73 (2006.01); A61K 8/81 (2006.01); A61K 8/85 (2006.01); A61K 8/86 (2006.01); A61Q 19/08 (2006.01); C09B 19/00 (2006.01); C09B 61/00 (2006.01); C09B 67/02 (2006.01);
U.S. Cl.
CPC ...
A61K 8/29 (2013.01); A61K 8/0245 (2013.01); A61K 8/0275 (2013.01); A61K 8/0283 (2013.01); A61K 8/25 (2013.01); A61K 8/26 (2013.01); A61K 8/411 (2013.01); A61K 8/49 (2013.01); A61K 8/73 (2013.01); A61K 8/8152 (2013.01); A61K 8/85 (2013.01); A61K 8/86 (2013.01); A61Q 17/04 (2013.01); A61Q 19/08 (2013.01); C09B 19/00 (2013.01); C09B 61/00 (2013.01); C09B 67/0097 (2013.01); A61K 2800/412 (2013.01); A61K 2800/438 (2013.01); A61K 2800/45 (2013.01); A61K 2800/52 (2013.01); A61K 2800/651 (2013.01); A61K 2800/654 (2013.01);
Abstract

Cosmetic and dermatological compositions, including color changing compositions, are provided which typically include a plurality of synthetic particles having a size in the micrometer or nanometer range. The cosmetic or dermatological formulation comprises an antioxidant or UV filter and xanthommatin pigment present in the formulation at a concentration of 0.01% wt to 0.5% wt to scavenge free radicals. The cosmetic or dermatological formulation can be a sun protectant composition having an SPF of 2-30.

Find Patent Forward Citations

Deravi, Leila. (2026). Cosmetic and dermatological compositions (U.S. Patent No. 12751904). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12751904

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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