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:
Jan. 25, 2022
Filed:
Mar. 08, 2019
Applicant:
Mitsubishi Pencil Company, Limited, Tokyo, JP;
Inventors:
Keiichiro Takachiyo, Fujioka, JP;
Satoshi Sakuma, Fujioka, JP;
Assignee:
MITSUBISHI PENCIL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/04 (2006.01); A61K 8/34 (2006.01); A61K 8/41 (2006.01); A61K 8/81 (2006.01); A61Q 5/10 (2006.01);
U.S. Cl.
CPC ...
A61K 8/04 (2013.01); A61K 8/34 (2013.01); A61K 8/415 (2013.01); A61K 8/8152 (2013.01); A61Q 5/10 (2013.01); A61K 2800/4324 (2013.01);
Abstract
Provided are a pigment dispersion liquid for cosmetics having excellent dispersibility for a pigment of Pigment Red 4 (C.I. 12085) and aging stability, and an aqueous liquid cosmetic using the same, which is suitable for hair dyes and the like. The pigment dispersion liquid for cosmetics contains, at least, water, a water-soluble organic solvent, a pigment of Pigment Red 4 (C.I. 12085), and a (methacryloyl ethylbetaine/acrylates) copolymer, and a ratio of the water to total solvents is 30 to 95% by mass.