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. 21, 2008
Filed:
Jun. 15, 2006
Applicants:
Jen-fang Lin, Taoyuan County, TW;
Tzu-kwei Sun, Taoyuan County, TW;
Hsiao-san Chen, Taoyuan County, TW;
Wen-chin Lin, Taoyuan County, TW;
Inventors:
Jen-Fang Lin, Taoyuan County, TW;
Tzu-Kwei Sun, Taoyuan County, TW;
Hsiao-San Chen, Taoyuan County, TW;
Wen-Chin Lin, Taoyuan County, TW;
Assignee:
Everlight USA, Inc., Pineville, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01); C09B 31/08 (2006.01); C09B 67/36 (2006.01); C09B 62/45 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a diazo dyestuff compound of the following formula (I) wherein, M is H, Na, or Li. The formula (I) compound is particularly suitable for using as a component in a black dye composition for ink-jet printing ink, and inkjet printing inks with good light-fastness are obtained.