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:
Jun. 17, 2008
Filed:
Sep. 13, 2007
Applicants:
Wen-chin Lin, Taoyuan Hsien, TW;
Tzu-kwei Sun, Taoyuan Hsien, TW;
Reng-fang Lin, Taoyuan Hsien, TW;
Inventors:
Assignee:
Everlight USA, Inc., Pineville, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01); C09B 62/453 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a black dye composition, comprising: wherein R, R, R, and Rare defined the same as the specification. The present invention also relates to a black ink composition afforded from the aforementioned black dye composition. The black ink composition of the present invention is suitable for paper ink-jet printing, and exhibits the properties of good light-fastness, high color strength, solubility, and fine fluency of ink.