US 6,551,397 B2Granted

Pigment preparation

AssigneeMerck Patent GmbH

InventorsJoachim Weitzel, Wolfgang Hechler

Life of this patent

Estimating the term…

Abstract

The present invention relates to a pigment preparation comprising BiOCl pigments, one or more luster pigments and spherical particles, and to the use thereof in printing inks, security printing inks, surface coatings, paints, plastics and in cosmetic formulations.

Claims11

Dependent claims

A pigment preparation comprising at least one BiOCl pigment, at least one luster pigment, and spherical particles.

Dependencies are inferred from the claim text.

Facts

Application: 10/133,415Filed 29 Apr 2002
Priority: DE 101 20 85627 Apr 2001
Published: US 2002/0157574 A131 Oct 2002
Granted: 22 Apr 2003
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

C09C 1/0021
Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate…:…
A61K 8/20
Containing inorganic ingredients: halogens; Compounds thereof
A61Q 1/02
Make-up preparations; Body powders; Preparations for removing make-up: preparations containing skin colorants, e.g. pigments
C09C 1/0015
Treatment of specific inorganic materials other than fibrous fillers ; Preparation of carbon black: pigments exhibiting interference colours, e.g.…

Family

US 2002/0157574 A1Pre-grant publication · published 31 Oct 2002
US 6,551,397 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

patentgrep

Loading patent…

patentgrepSearch patents

Back to results