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:
Aug. 09, 2016
Filed:
Dec. 04, 2008
C. Chad Roberts, Wilmington, DE (US);
Patrick F. Mcintyre, West Chester, PA (US);
Michael Stephen Wolfe, Wimington, DE (US);
Xiaoqing LI, Newark, DE (US);
Hari Babu Sunkara, Hockessin, DE (US);
C. Chad Roberts, Wilmington, DE (US);
Patrick F. McIntyre, West Chester, PA (US);
Michael Stephen Wolfe, Wimington, DE (US);
Xiaoqing Li, Newark, DE (US);
Hari Babu Sunkara, Hockessin, DE (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Abstract
The present invention relates to urea-terminated polyurethanes dispersants based on diols and polyether diols, aqueous dispersions of such polyurethanes, the manufacture of the urea terminated polyurethane dispersions and inks containing pigments and/or disperse dyes dispersed with these urea terminated polyurethane dispersants. The urea termination can have nonionic hydrophilic substituents.