Patent · US Active

Dry toner, processes for the production thereof, and the use thereof

US7955772B2 · kind B2 · utility

5Cited by

15References

37Claims

0Family size

Assignee

ECKART GmbH · DE

Inventors

Thomas Schuster · Achern, DE
Hans-Jorg Kremitzl · Eckental, DE

Key dates

Filing date	Nov 22, 2005
Grant date	Jun 7, 2011
Priority date	—
Expiry date	Jul 20, 2027

Classification

Technology area (CPC G)Physics
CPC primaryG03G9/0904
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a dry toner, containing a platelet-type metal effect pigment or a plurality of platelet-type metal effect pigments and at least one resinous constituent, wherein the metal effect pigment or the metal effect pigments is/are additionally provided with a coating preferably suitable for improving the mechanical stability, and that this coating is additionally modified with at least one organic layer, which organic layer is selected from the group consisting of organofunctional silanes, organofunctional titanates, organofunctional zirconates, phosphonic acids, and phosphonates. The invention further relates to processes for the production of the dry toner and to the use thereof. Furthermore, the invention relates to a toner cartridge and to printed products.

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