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. 18, 2017
Filed:
Oct. 07, 2013
Applicant:
Hoyu Co., Ltd., Nagoya-shi, JP;
Inventors:
Assignee:
HOYU CO., LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61Q 5/10 (2006.01); A61K 8/46 (2006.01); A61K 8/22 (2006.01); A61K 8/41 (2006.01); A61K 8/02 (2006.01);
U.S. Cl.
CPC ...
A61K 8/463 (2013.01); A61K 8/022 (2013.01); A61K 8/22 (2013.01); A61K 8/411 (2013.01); A61K 8/415 (2013.01); A61Q 5/10 (2013.01); A61K 2800/4324 (2013.01);
Abstract
Provided is a powder hair dye composition capable of, in a hair-dyeing treatment intended to give a sharp black hue, suppressing the development of redness without being affected by the leave-on time required for the hair-dyeing treatment, while ensuring a sufficient hair-dyeing power. The powder hair dye composition contains (A) sodium percarbonate whose content is 1.8 to 3.7 mass % at the time of use, (B) p-phenylenediamine sulfate, and (C) m-aminophenol sulfate.