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:
Aug. 01, 2000
Filed:
May. 21, 1999
Applicant:
Inventors:
Naohiro Kariya, Tokyo, JP;
Atsushi Nakashimada, Tokyo, JP;
Nozomi Hagashima, Tokyo, JP;
Yutaka Shibata, Tokyo, JP;
Masahiko Sakai, Tokyo, JP;
Hajime Miyabe, Tokyo, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8405 ; 8435 ; 8552 ; 8561 ; 8613 ;
Abstract
Disclosed herein is a hair dye composition comprising (A) benzyloxyethanol and/or benzyl alcohol, (B) propylene carbonate and (C) an acid dye and having a pH of 2.0 to 6.0. The composition has excellent hair-dyeing ability and good fastness to shampoo.