Coating, ink, or article comprising multi-colored lustrous pearlescent pigments

US8906154B2 · kind B2 · utility

Assignee

• Sun Chemical Corporation · US

Inventors

• Aaron M. Hollman · Hebron, US
• Stephane Nicolas · Senlis, FR
• Philippe Schottland · Sparta, US
• Marguerite Debacker · Court-Saint-Etienne, BE
• Aurelie Antonowicz · Gembloux, BE
• Hai Hui Lin · Hangzhou City, CN

Key dates

• Filing date: Oct 31, 2007
• Grant date: Dec 9, 2014
• Expiry date: Feb 9, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2200/407
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A coating, ink, or article containing a pearlescent pigment comprising a substrate and a first layer, wherein the first layer comprises iron oxide, wherein the iron has from about 1% to about 30% Fe(II) and from about 70% to about 99% Fe(III).