Patent · US Active

Positively charged ink composition

US8927635B2 · kind B2 · utility

0Cited by

2References

14Claims

0Family size

Assignee

Hewlett-Packard Indigo B.V. · NL

Inventors

Yaron Grinwald · Gdera, IL
Gil Bar-Haim · Holon, IL
Yigal Berson · Lod, IL

Key dates

Filing date	Mar 9, 2010
Grant date	Jan 6, 2015
Priority date	—
Expiry date	Nov 8, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG02F2001/1678
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Positively charged ink compositions, its use and method of making the same are disclosed. A disclosed example of the positively charged ink compositions includes a combination of a carrier liquid, basic pigment-loaded resin particles, a charge director and an acidic charge adjuvant.

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