Patent · US Expired

Pigment preparation

US6544327B1 · kind B1 · utility

8Cited by

4References

28Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Carsten Griessmann · Groß-Zimmern, DE
Wolfgang Hechler · Herbstein, DE
Gerhard Herget · Ober-Ramstadt, DE

Key dates

Filing date	Sep 14, 2000
Grant date	Apr 8, 2003
Priority date	—
Expiry date	Sep 14, 2020

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to a non-dusting homogeneous pigment preparation which is notable in that it comprises at least 40% by weight of one or more effect pigments, from 0.5 to 60% by weight of an aldehyde resin and/or ketonic resin and from 0.1 to 10% by weight of a redispersant.

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