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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 12678391 B1

PDFFull Text
Date of Patent:
Jul. 14, 2026

Filed:

Oct. 13, 2020

Water-in-oil emulsion sunscreen cosmetic

Applicant:

Shiseido Company, Ltd., Tokyo, JP;

Inventors:

Ayumu Enomoto, Tokyo, JP;

Keita Nishida, Tokyo, JP;

Assignee:

Shiseido Company, Ltd., Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Celeste A Roney

Int. Cl.
CPC ...
A61K 8/60 (2006.01); A61K 8/27 (2006.01); A61K 8/368 (2006.01); A61K 8/44 (2006.01); A61K 8/67 (2006.01); A61Q 17/04 (2006.01);
U.S. Cl.
CPC ...
A61K 8/676 (2013.01); A61K 8/27 (2013.01); A61K 8/368 (2013.01); A61K 8/44 (2013.01); A61K 8/602 (2013.01); A61K 8/675 (2013.01); A61Q 17/04 (2013.01);
Abstract

[Problem] An objective of the present invention is to provide a water-in-oil emulsion sunscreen cosmetic that allows a medicinal agent to be blended into the internal phase, while having high ultraviolet protection power. [Solution] The sunscreen cosmetic of the present invention is characterized by comprising: (A) an ultraviolet absorbing agent; (B) a medicinal agent selected from the group consisting of L-ascorbic acid and derivatives thereof, tranexamic acid and derivatives thereof, alkoxysalicylic acid and derivatives thereof, glycyrrhizinic acid and derivatives thereof, and nicotinic acid and derivatives thereof; (C) a water-soluble thickener that is not sugar-derived; and (D) water.

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Enomoto, Ayumu. (2026). Water-in-oil emulsion sunscreen cosmetic (U.S. Patent No. 12678391). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12678391

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