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:
Feb. 28, 2006
Filed:
Nov. 06, 2002
Applicants:
Yoshinori Saito, Tokyo, JP;
Kenzo Koike, Tokyo, JP;
Inventors:
Yoshinori Saito, Tokyo, JP;
Kenzo Koike, Tokyo, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K 7/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a one-part air-oxidative hair dye composition containing (A) 5,6-dihydroxyindoline-2-carboxylic acid or a salt thereof, (B) an alkali agent selected from sodium hydroxide, potassium hydroxide, ammonia, guanidine, basic amino acids and carbonates, and (C) from 10 to 50 wt. % of a water compatible organic solvent, said composition being substantially free of an alkanolamine, and having a pH of from 8 to 12. This one-part air-oxidative hair dye composition has excellent hair dyeing power.