Patent · US Active

Liquid electrophotographic ink and method for making the same

US8932791B2 · kind B2 · utility

2Cited by

25References

14Claims

0Family size

Assignee

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

Inventors

Doris Pik-Yiu Chun · Santa Clara, US
Hou T. Ng · Campbell, US
Albert Teishev · Nesher, IL

Key dates

Filing date	Jan 31, 2011
Grant date	Jan 13, 2015
Priority date	—
Expiry date	Jan 31, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/135
WIPO fieldOptics
WIPO sectorInstruments

Abstract

A liquid electrophotographic ink is disclosed herein. One example of the liquid electrophotographic ink includes a non-polar carrier liquid; pigmented toner particles; a charge director; and polymer resin encapsulated metal oxide nanoparticles. A method for making the liquid electrophotographic ink is also disclosed herein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.