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:
Apr. 18, 2006
Filed:
Oct. 21, 2003
Applicant:
Rajendra Mehta, Dayton, OH (US);
Inventor:
Rajendra Mehta, Dayton, OH (US);
Assignee:
The Standard Register Company, Dayton, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01); B41F 31/00 (2006.01); B42D 15/00 (2006.01); B41J 2/41 (2006.01);
U.S. Cl.
CPC ...
Abstract
Optically variable water-based inks, methods of providing security information, and documents are provided. The optically variable water-based inks are suitable for flexographic printing processes, and the optically variable water-based inks display a viewing angle dependent color shift between at least a first color and at least a second color. The optically variable water-based inks may be used to provide security information and to flexographically print documents.