Patent · US Expired

Use of coated pigment granules in electrophotographic toners and developers, powder coatings and inkjet inks

US7029818B2 · kind B2 · utility

14Cited by

26References

17Claims

0Family size

Assignee

Clariant Corporation · DE

Inventors

Ulrike Rohr · Mannheim, DE
Ruediger Baur · Niedernhausen, DE
Hans Joachim Metz · Darmstadt, DE
Andreas Stohr · Freinsheim, DE

Key dates

Filing date	Nov 1, 2001
Grant date	Apr 18, 2006
Priority date	—
Expiry date	Nov 1, 2021

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/122
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present invention relates to the use of wax-coated pigment granules as colorants in electrophotographic toners and developers, powder coating materials, inkjet inks, electret fibers, and color filters, wherein the coated pigment granules have a particle size of between 0.05 and 5 mm and a wax content of from 1 to 50% by weight, based on the overall weight of the coated pigment granules.

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