Blue glass compositions

USRE34760E · kind E · reissue

Assignee

• Ford Motor Company · US

Inventors

• Edward Nashed Boulos · Troy, US
• Mark F. Best · Taylor, US
• Roman Surowiec · Redford, US

Key dates

• Filing date: Dec 27, 1993
• Grant date: Oct 18, 1994
• Expiry date: Dec 27, 2013

Classification

• Technology area (CPC —): General

Abstract

A blue glass composition comprises conventional soda-lime-silica glass ingredients and specific amounts of Fe.sub.2 O.sub.3, Co.sub.3 O.sub.4, NiO, and optionally Se, resulting in an Illuminant C transmittance of 54%.+-.3% at one quarter inch thickness, a dominant wavelength of 482 nm.+-.1 nm, and a color purity of 13%.+-.1%.