Patent · US Expired

Effect pigments based on coated glass flakes

US7226503B2 · kind B2 · utility

21Cited by

19References

12Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Ralf Anselmann · Munster, DE
Klaus Ambrosius · Frankfurt, DE
Marcus Mathias · Gernsheim, DE

Key dates

Filing date	Apr 11, 2002
Grant date	Jun 5, 2007
Priority date	—
Expiry date	Apr 11, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2996
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to effect pigments based on thin glass flakes and to a method for the production of such pigments. The resulting pigment can be used in any application for which pearlescent pigments have been heretofore used such as, for example, in plastics, paints, inks, cosmetic formulations, coatings including solvent or waterborne automotive paint systems, powder coatings, inks and agriculture foils.

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