Ink sets for ink-jet printing

US9708495B2 · kind B2 · utility

Assignee

• HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

• George Sarkisian · San Diego, US
• Keshava A. Prasad · San Marcos, US
• John Gardner · San Diego, US
• Tayo Olu Yolemi · San Diego, US

Key dates

• Filing date: Oct 28, 2011
• Grant date: Jul 18, 2017
• Expiry date: May 6, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D11/40
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present disclosure is drawn to ink-jet ink sets, as well as related systems and methods. In one example, an ink set for ink-jet printing can comprise a cyan ink-jet ink including from about 2 wt % to about 5 wt % of a cyan pigment admixed in a first ink vehicle; a magenta ink-jet ink including a magenta colorant comprising from about 2 wt % to about 5 wt % of a magenta pigment and about 0.1 wt % to about 1 wt % of a slightly soluble magenta dye admixed in a second ink vehicle; and a yellow ink-jet ink including from about 2 wt % to about 5 wt % of a yellow pigment admixed in a third ink vehicle.