Pigment-based inkjet inks

US10040959B2 · kind B2 · utility

Assignee

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

Inventors

• Larrie Deardurff · Corvallis, US
• Jayprakash C. Bhatt · Corvallis, US
• Sterling Chaffins · Corvallis, US
• Cory J. Ruud · Corvallis, US

Key dates

• Filing date: Jun 4, 2014
• Grant date: Aug 7, 2018
• Expiry date: Jun 4, 2034

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 inkjet inks and related methods. The inkjet ink includes water, from 5 wt % to 50 wt % of an organic solvent system, from 2 wt % to 9 wt % pigment solids, from 0.1 wt % to 3 wt % polyurethane binder, and from 0.4 wt % to 1.5 wt % of an oleyl or stearyl type polyoxyethylene glycol ether surfactant.