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:
Apr. 27, 2010
Filed:
Dec. 15, 2005
Huei-chin Huang, Taoyuan County, TW;
Ya-chi Tseng, Taoyuan County, TW;
Huei-Chin Huang, Taoyuan County, TW;
Ya-Chi Tseng, Taoyuan County, TW;
Everlight USA, Inc., Pineville, NC (US);
Abstract
A dye composition, which comprising: (a) a mono azo dye of the formula (I) wherein R, R, K, Y and m are defined the same as the specification; and (b)at least one azo dye selected from the group consisting of the following formula (II), (III) and (IV), wherein R, R, R, Y, (W), (W'), D, Dand Dare defined the same as the specification. These kinds of dye composition with good stability and build-up. The dye composition are suitable for dyeing and printing of materials containing either cellulose fibers, such as cotton, artificial cotton, linen, and artificial linen, or synthetic polyamide, such as wool, silk, and nylon etc. Dyed materials with excellent properties can be obtained, showing especially outstanding performance in of wash-off, built-up, level-dyeing, photochromism, wet-fastnes, ghosting fastness and light fastness.