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.:
Date of Patent:
Jul. 09, 2024
Filed:
May. 07, 2020
Applicant:
L'oreal, Paris, FR;
Inventors:
Jun Sasai, Kanagawa, JP;
Toshifumi Shiroya, Kanagawa, JP;
Assignee:
L'OREAL, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/02 (2006.01); A61K 8/25 (2006.01); A61K 8/29 (2006.01); A61Q 17/04 (2006.01);
U.S. Cl.
CPC ...
A61K 8/0245 (2013.01); A61K 8/25 (2013.01); A61K 8/29 (2013.01); A61Q 17/04 (2013.01); A61K 2800/26 (2013.01); A61K 2800/63 (2013.01); A61K 2800/651 (2013.01); A61K 2800/805 (2013.01);
Abstract
The present invention relates to a multilayer UV filter particle, comprising: an odd number of alternating layers of high and low refractive index materials, wherein each layer has a refractive index that differs from that of adjacent layers by at least 0.2, the total number of layers is at least 9, and the particle does not contain a substrate. The particle according to the present invention can have a good UV filtering effect.
Sasai, Jun. (2024). Sunscreen multilayer particle (U.S. Patent No. 12029801). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12029801
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile