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:
Dec. 02, 2025
Filed:
Dec. 24, 2019
Applicant:
Kao Corporation, Tokyo, JP;
Inventors:
Keiji Monda, Katsushikak-ku, JP;
Masahiko Watanabe, Sumida-ku, JP;
Assignee:
KAO CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/44 (2006.01); A61K 8/22 (2006.01); A61K 8/34 (2006.01); A61K 8/36 (2006.01); A61K 8/41 (2006.01); A61K 8/46 (2006.01); A61K 8/86 (2006.01); A61Q 5/06 (2006.01); A61Q 5/10 (2006.01);
U.S. Cl.
CPC ...
A61K 8/44 (2013.01); A61K 8/22 (2013.01); A61K 8/345 (2013.01); A61K 8/36 (2013.01); A61K 8/416 (2013.01); A61K 8/463 (2013.01); A61K 8/86 (2013.01); A61Q 5/065 (2013.01); A61Q 5/10 (2013.01); A61K 2800/30 (2013.01); A61K 2800/4322 (2013.01); A61K 2800/4324 (2013.01); A61K 2800/591 (2013.01);
Abstract
A liquid hair dye composition comprising components (A), (B) and (C), wherein a content of the component (A) is 1.5 mass % or more, (A) an azo dye selected from the group consisting of the following formulae (A-1), (A-2) and (A-3); (B) a surfactant with an HLB of 7 or more, selected from the group consisting of anionic surfactants, nonionic surfactants and amphoteric surfactants; and (C) water.