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:
Sep. 09, 2014
Filed:
Sep. 01, 2011
Applicants:
C Chad Roberts, Hockessin, DE (US);
Patrick F Mcintyre, West Chester, PA (US);
Waifong Liew Anton, Wilmington, DE (US);
Inventors:
C Chad Roberts, Hockessin, DE (US);
Patrick F McIntyre, West Chester, PA (US);
Waifong Liew Anton, Wilmington, DE (US);
Assignee:
E I du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/015 (2006.01); C09D 11/00 (2014.01); B41J 2/01 (2006.01);
U.S. Cl.
CPC ...
B41J 2/01 (2013.01); C09D 11/324 (2013.01); C09D 11/326 (2013.01);
Abstract
The invention provides an ink for inkjet printing, comprising colorant and certain polyurethane ink additives which is derived from alkoxy aromatic diol derived from alkoxy aromatic diols which enhances fastness of the print towards highlighter and finger smudge without compromising jetting performance and storage stability of the ink. The inks may be jetted from both thermal and piezo ink jet systems.