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:
Oct. 30, 2007
Filed:
Aug. 30, 2005
Jen-fang Lin, Taoyuan County, TW;
Chien-wen Lee, Taoyuan County, TW;
Tzu-kwei Sun, Taoyuan County, TW;
Tsung-wen Huang, Taoyuan County, TW;
Jen-Fang Lin, Taoyuan County, TW;
Chien-Wen Lee, Taoyuan County, TW;
Tzu-Kwei Sun, Taoyuan County, TW;
Tsung-Wen Huang, Taoyuan County, TW;
Everlight USA, Inc., Pineville, NC (US);
Abstract
The present invention relates to a black dyes composition for ink-jet printing ink comprising (A) a compound of the following formula (I) wherein, Ris —SOCHCHOSOH or —SOCH═CHor —SOCHCHOH; M is H, Na or Li; (B) a compound of the following formula (II) wherein, Ris —SOCHCHOSOH or —SOCH═CHor —SOCHCHOH; M is H, Na or Li; and (C) a compound of the following formula (III) wherein, Ris —SOCHCHOSOH or —SOCH═CHor —SOCHCHOH; M is H, Na or Li; these compositions are particularly suitable for using in paper inkjet printing ink, and inkjet printing inks with good light-fastness and solubility are obtained.