Inks

US10557048B2 · kind B2 · utility

Assignee

• Fujifilm Imaging Colorants, Inc. · GB

Inventors

• Christopher Oriakhi · Corvallis, US
• Ravi B. Shankar · Midland, US
• Eda Wilson · New Castle, US
• Michael Finnegan · New Castle, US
• Jerrold Baker · New Castle, US
• Keith Delaney · New Castle, US
• Anthony Fiumenero · New Castle, US
• Philip John Double · Manchester, GB
• Hamid Shirazi · New Castle, US

Key dates

• Filing date: Dec 10, 2015
• Grant date: Feb 11, 2020
• Expiry date: Dec 14, 2035

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D11/322
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

An ink comprising: (a) from 0.5 to 5 parts of a self-dispersible pigment; (b) from 1 to 10 parts of a styrene acrylic latex binder and/or styrene butadiene latex; (c) from 0 to 5 parts of a glycol selected from the group consisting of ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol or triethylene glycol; (d) from 1 to 10 parts of 2-pyrrolidone; (e) from 1 to 15 parts of glycerol; (f) from 0.1 to 3 parts of an acetylenic surfactant; (g) from 0.001 to 5 parts of biocide; (h) from 0 to 10 parts of a viscosity modifier; and (i) the balance to 100 parts water. Also an ink-jet printing process, a printed substrate, an ink-jet printer ink container and an ink-jet printer with a re-circulating printer head.