Methods for making customized black toners

US7838192B2 · kind B2 · utility

Assignee

• Xerox Corporation · US

Inventors

• Mark A. Scheuer · Williamson, US
• Mark S. Petrush · Webster, US
• James A. Winters · Alfred Station, US
• John Ianni · Medina, US
• Julia Kohlmeier · Penfield, US
• William H. Hollenbaugh, Jr. · Rochester, US
• Kip L. Jugle · New York, US
• Jeffrey McEwen · Williamson, US

Key dates

• Filing date: Apr 24, 2007
• Grant date: Nov 23, 2010
• Expiry date: Jul 5, 2029

Classification

• Technology area (CPC G): Physics
• CPC primary: G03G9/0906
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

According to embodiments illustrated herein, there is provided a black toner having a resin, an optional additive, and at least two or more colored pigments, and the at least two or more colored pigments are selected from the group consisting of a blue pigment, a green pigment, a red pigment, a magenta pigment, a cyan pigment, a yellow pigment, a white pigment, and mixtures thereof, and the black toner has a calorimetric value L* of about less than 30.