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:
Jan. 08, 2013
Filed:
May. 23, 2008
Applicant:
Xiaorong Cai, Lexington, KY (US);
Inventor:
Xiaorong Cai, Lexington, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 11/02 (2006.01); C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a fluorescent inkjet composition. The inkjet composition includes a fluorescent dispersion including a fluorescent colorant; wherein the inkjet composition emits light at a first intensity Iin the range of 450 nm to 700 nm upon excitation by incident light having a wavelength in the range of 250 to 400 nm. In addition, the inkjet composition is capable of emitting light at a second intensity Iupon exposure to a temperature of 60 ° C. for 8 weeks, wherein I=(0.50 to 1.0)*I.