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.

Date of Patent:
Jan. 13, 2009

Filed:

Nov. 08, 2004
Applicants:

Masahiro Nakazaki, Neyagawa, JP;

Kunihiro Ohshima, Neyagawa, JP;

Kiyoshi Donowaki, Chikushino, JP;

Kentaro Kawamura, Fukuoka, JP;

Inventors:

Masahiro Nakazaki, Neyagawa, JP;

Kunihiro Ohshima, Neyagawa, JP;

Kiyoshi Donowaki, Chikushino, JP;

Kentaro Kawamura, Fukuoka, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P 3/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A coloring method of a tangible matter having a polyamide bond, characterized in that the tangible matter having a polyamide bond is treated with an aqueous solution containing an aromatic derivative having one or more hydroxyl groups and a metal salt at a temperature of 40° C. or more, and a polyamide tangible matter colored by such a method.


Find Patent Forward Citations

Loading…