Transparent, colorless infrared radiation absorbing compositions comprising nanoparticles

US8324300B2 · kind B2 · utility

Assignee

• PPG Industries Ohio, Inc. · US

Inventors

• William Adochio · Edmond, US
• Gregory T. Gaudet · Acton, US
• Daniel E. Rardon · Pittsburgh, US
• Mark Still · Firestone, US

Key dates

• Filing date: Jan 20, 2010
• Grant date: Dec 4, 2012
• Expiry date: Jan 20, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/64
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Disclosed are compositions that include a binder and non-stoichiometric tungsten oxide particles dispersed in the binder. The tungsten oxide particles have an average primary particle size of no more than 300 nanometers. The compositions are transparent and colorless.