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:
Dec. 11, 2012
Filed:
Dec. 29, 2008
Judith D. Auslander, Westport, CT (US);
Richard A. Bernard, Norwalk, CT (US);
Shunichi Higashiyama, Yokkaichi, JP;
Akihiko Taniguchi, Kakamigahara, JP;
Noriatsu Aoi, Ichinomiya, JP;
Judith D. Auslander, Westport, CT (US);
Richard A. Bernard, Norwalk, CT (US);
Shunichi Higashiyama, Yokkaichi, JP;
Akihiko Taniguchi, Kakamigahara, JP;
Noriatsu Aoi, Ichinomiya, JP;
Pitney Bowes Inc., Stamford, CT (US);
Abstract
A water-based ink for inkjet recording exhibits a blue color defined as L*<45, 25<C*<28, 255<h<278, and comprises a mixture of dyes and pigments, glycerol and polyethylene glycol #200 as water-soluble organic solvents and a polymeric dispersant. The ink will preferably have a ratio of glycerol to polyethylene glycol 200 within the range of from 2:1 to 3.5 1. The water-based ink preferably includes C.I. Pigment Blue 60 as a colorant and provides good printing stability and good storage stability. Tests show the inks to have good jettability.