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. 08, 2013
Filed:
Mar. 09, 2010
Makoto Iijima, Sumida-ku, JP;
Naohiro Ando, Sumida-ku, JP;
Takashi Matsuo, Sumida-ku, JP;
Yuko Nobuto, Sumida-ku, JP;
Makoto Iijima, Sumida-ku, JP;
Naohiro Ando, Sumida-ku, JP;
Takashi Matsuo, Sumida-ku, JP;
Yuko Nobuto, Sumida-ku, JP;
Kao Corporation, Tokyo, JP;
Abstract
A two-part hair dye composed of a first part containing an alkali agent, a second part containing hydrogen peroxide, and a non-aerosol foamer container for discharging a liquid mixture of the first part and the second part in the form of a foam, the liquid mixture containing the following components (A) and (B): (A) a polymer or copolymer containing 70% or more mole fraction of diallyldimethyl quaternary ammonium salt monomer, and (B) an N-acylamino acid salt, an N-acyl-N-alkylamino acid salt, or an ether carboxylic acid salt, wherein, an equivalent ratio of the anion site of the component (B) to the cation site of the component (A) (anion/cation) is more than 1, and a viscosity of the liquid mixture at 25° C. is 1 to 300 mPa·s.