logo

For the Inventor, By the Inventor

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.:

US 5334225 B1

PDFFull Text
Date of Patent:
Aug. 02, 1994

Filed:

Jul. 13, 1993

Keratinous fiber dye composition containing a 2-substituted

Applicant:
Inventors:

Masahiko Ogawa, Tokyo, JP;

Hidetoshi Tagami, Tokyo, JP;

Toru Yoshihara, Tokyo, JP;

Jiro Kawase, Tokyo, JP;

Akira Kiyomine, Tochigi, JP;

Tadashi Tamura, Tochigi, JP;

Yoshinori Nishizawa, Tochigi, JP;

Ken-ichi Matsunaga, Saitama, JP;

Assignee:

Kao Corporation, Tokyo, JP;

Attorney:

Sughrue, Mion, Zinn, Macpeak & Seas

Primary Examiner:

Paul Lieberman

Assistant Examiner:

Caroline L Dusheck

Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
8408 ; 8405 ; 8406 ; 8407 ; 8410 ; 8412 ; 8421 ; 564218 ; 564 52 ; 560250 ; 560 29 ;
Abstract

A keratinous fiber dye composition comprising a developer and a coupler, wherein the coupler is a 2-substituted amino-5-alkylphenol derivative represented by the following formula (1): ##STR1## wherein the all symbols are defined in the disclosure, is disclosed. The keratinous fiber dye composition imparts a color tone of a high chroma and is excellent in coloring power and fastness.

Find Patent Forward Citations

Ogawa, Masahiko. (1994). Keratinous fiber dye composition containing a 2-substituted (U.S. Patent No. 5334225). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5334225

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…