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:
Oct. 02, 2018
Filed:
Jul. 28, 2015
Applicant:
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventor:
Xiaoqing Li, Newark, NJ (US);
Assignee:
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/033 (2014.01); C09D 11/102 (2014.01); C09D 11/322 (2014.01);
U.S. Cl.
CPC ...
C09D 11/102 (2013.01); C09D 11/033 (2013.01); C09D 11/322 (2013.01);
Abstract
The present disclosure provides aqueous ink-jet inks having improved stability containing an aqueous vehicle, a colorant, and an amphoteric polyurethane as a binder. The amphoteric polyurethane contains a plurality of tertiary amine groups derived from an amine-containing monomer, and a plurality of anionic acid groups.