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. 30, 2013
Filed:
Aug. 31, 2010
Catherine A. Falkner, Rochester, NY (US);
Thomas B. Brust, Webster, NY (US);
Yongcai Wang, Rochester, NY (US);
Hwei-ling Yau, Rochester, NY (US);
Douglas R. Robello, Webster, NY (US);
Catherine A. Falkner, Rochester, NY (US);
Thomas B. Brust, Webster, NY (US);
Yongcai Wang, Rochester, NY (US);
Hwei-Ling Yau, Rochester, NY (US);
Douglas R. Robello, Webster, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
An inkjet printing fluid composition including water and a water dispersible polyurethane additive of the general formula of (I) wherein Z is the central portion of a monomer unit that is the polymerization product of a diisocyanate; X—Y—Xrepresents one or more soft segments wherein Yrepresents the central portion of a unit that is the polymerization product of a diamine or diol prepolymer having a molecular weight of greater than 300 Daltons; W is the central portion of one or more units containing an acid group; X—Y—Xrepresents one or more hard segments wherein Yrepresents the central portion of a unit that is the polymerization product of a C-Cdiol or diamine having a molecular weight of less than 250 Daltons; and X, V and Xcan be the same or different and are an —O— or —N— atom; and further wherein the polyurethane additive has a weight average molecular weight of at least 6,000 Daltons and a sufficient number of acid groups to provide an acid number greater than 35, and the one or more X—Y—Xhard segments are present at from 1 wt % to less than 13 wt % of the polyurethane additive. Also disclosed is a method for printing an inkjet image including I) providing an inkjet printing fluid according to the invention; and II) jetting the inkjet printing fluid in the form of ink drops onto a recording element to form a printed image.