Patent · US Active

Synthetic mica based pearlescent pigments containing ferrites

US7470318B2 · kind B2 · utility

7Cited by

16References

9Claims

0Family size

Assignee

BASF SE

Inventors

Paul Cao · Ossining, US
Carolynn Lavallee · Ossining, US
Steven Jones · Newmarket, CA
Debbie Cacace · Cold Spring, US

Key dates

Filing date	Jul 21, 2007
Grant date	Dec 30, 2008
Priority date	—
Expiry date	Jul 21, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2995
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A pearlescent pigment comprises (a) synthetic mica substrate, (b) calcined ferrite coating on the substrate, and (c) an outer layer or treatment wherein said outer layer or treatment was added to the calcined ferrite coated synthetic mica in water.The pearlescent pigment may be used in exterior applications such as automotive paint systems.

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