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:
May. 22, 2007
Bao-kun Lai, Taoyuan Hsien, TW;
Huei-chin Huang, Taoyuan Hsien, TW;
Cheng-hsiang Hsu, Taoyuan Hsien, TW;
Ya-chi Tseng, Taoyuan Hsien, TW;
Bao-Kun Lai, Taoyuan Hsien, TW;
Huei-Chin Huang, Taoyuan Hsien, TW;
Cheng-Hsiang Hsu, Taoyuan Hsien, TW;
Ya-Chi Tseng, Taoyuan Hsien, TW;
Everlight USA, Inc., Pineville, NC (US);
Abstract
The present invention provides a reactive red dye composition comprising (A) 3% to 97% by weight of a reactive azo dye of the following formula (I), wherein W, Dand Dare defined the same as the specification; and (B) 97% to 3% by weight of a reactive azo dye of the following formula (II), wherein R, X, Z, Dand Dare defined the same as the specification. The reactive red dye composition of the present invention can be utilized to dye cellulose fibers. The cellulose fibers dyed by the reactive red dye composition obtain not only good build-up and level dyeing properties but also an excellent property of white discharging.