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. 02, 2006
Filed:
Jul. 12, 2001
Applicants:
Akio Kuzuhara, Osaka, JP;
Mitsuo Sano, Osaka, JP;
Inventors:
Akio Kuzuhara, Osaka, JP;
Mitsuo Sano, Osaka, JP;
Assignee:
Mandom Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P 1/39 (2006.01);
U.S. Cl.
CPC ...
Abstract
Pretreatment agents for hair colorings with acid dye comprising at least one cationic polymer selected from the group consisting of polymers having amino groups and polymers having quaternary ammonium groups. The pretreatment agents for hair colorings with acid dye are used for improving coloring ability and color fastness of hair colorings with acid dye.