Patent · US Active

Pigment preparation based on an azo pigment

US7855041B2 · kind B2 · utility

13Cited by

5References

13Claims

0Family size

Assignee

Clariant Produkte (Deutschland) GmbH · DE

Inventors

Joachim Weber · Frankfurt am Main, DE
Patrick Hoetzel · Mainz, DE
Karl-Heinz Schweikart · Eschborn, DE
Frank Alfter · Bad Soden, DE

Key dates

Filing date	Apr 20, 2006
Grant date	Dec 21, 2010
Priority date	—
Expiry date	Oct 14, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B67/0086
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to a pigment preparation which contains the monoazo pigment of the formula (I)and 0.1% to 40%, preferably 0.5% to 25%, in particular 1.0% to 17.5% of a pigment dispersant, in relation to the weight of the monoazo pigment of the formula (I), which is composed of disazo compounds at least 30% of the diazo compounds forming an asymmetric disazo compound of the formula (II)Y-X-A-X-Z (II),in which

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