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:
Dec. 28, 2004
Filed:
Apr. 16, 2003
Applicant:
Inventor:
Emilio Barbera-Guillem, Powell, OH (US);
Assignee:
BioCrystal, Ltd., Westerville, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/14 ; C09D 5/22 ;
U.S. Cl.
CPC ...
G06K 7/14 ; C09D 5/22 ;
Abstract
A fluorescent ink composition comprising functionalized fluorescent nanocrystals, an aqueous-based ink carrier comprising water or a water-based solution, and a binder. Also provided are methods of providing an image or a security mark on a substrate for subsequent identification by applying a fluorescent ink composition onto the substrate