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. 24, 2016
Filed:
Aug. 23, 2013
Natural Medicine Institute of Zhejiang Yangshengtang Co., Ltd., Zhejiang, CN;
Hongying Lan, Zhejiang, CN;
Liu Hu, Zhejiang, CN;
Abstract
The invention relates to a hair dye product, in particular to a hair dye product comprising at least two natural dye substances, and the use of the at least two natural dye substances in human or animal hair dyeing or in preparation of hair dye product for human or animal, wherein at least one of the natural dye substances displays yellow or yellowish brown color series; preferably, the natural dye substance displaying the yellow or yellowish brown color series is selected from quercetin or a derivative thereof, or an extract containing the quercetin or the derivative thereof, or a mixture thereof. The at least two natural dye substances of the invention are combined as dyeing ingredient, compared with those used alone, the range of the color is very different, and the color of the dyed hair is natural, which is yellowish black and consistent with human real hair, moreover, the hair dyeing effect is stable and the color is not easy to fade.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile