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. 28, 1991
Filed:
Nov. 17, 1989
Applicant:
Inventors:
Kiyoshi Himeno, Munakata, JP;
Kazuhisa Konishi, Kitakyushu, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8531 ; 8532 ; 8533 ; 8543 ; 8597 ; 8602 ; 8604 ; 8638 ; 8661 ; 8675 ; 8685 ; 8686 ; 8917 ; 8922 ; 8924 ;
Abstract
A method for dyeing polyester-containing fibers by using a disperse dye, wherein said dyeing is conducted under an alkaline condition in an aqueous medium in the presence of at least one amino acid member selected from the group consisting of an amino acid, an amino acid derivative having at least one hydrogen atom of its amino group replaced with an organic group, and an alkali metal salt of such an amino acid or amino acid derivative, in the dyeing bath, and a dyeing assistant useful for the method.