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:
May. 13, 2025
Filed:
Sep. 25, 2019
Applicant:
Rohto Pharmaceutical Co., Ltd., Osaka, JP;
Inventors:
Assignee:
ROHTO PHARMACEUTICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/67 (2006.01); A61K 8/34 (2006.01); A61Q 19/00 (2006.01);
U.S. Cl.
CPC ...
A61K 8/676 (2013.01); A61K 8/345 (2013.01); A61K 8/678 (2013.01); A61Q 19/00 (2013.01); A61K 2800/10 (2013.01); A61K 2800/52 (2013.01); A61K 2800/5922 (2013.01);
Abstract
Provided is a very stable topical composition. A topical composition is prepared that contains (A) from 1 to 40% by mass of at least one type selected from the group consisting of ascorbic acid and salts of ascorbic acid; (B) at least 20% by mass of a diol having three carbon atoms; (C) at least one type selected from the group consisting of tocopherol, salts of tocopherol, and derivatives of tocopherol; and (D) water, wherein the mass ratio of component (D) to component (A) is from 0.5 to 5.0 and the topical composition includes less than 20% by mass of glycol ether.