Coloured soda-lime glass

Details Coloured soda-lime glass Coloured soda-lime glass

2007-12-04

2007-12-04

Brunsman, David M (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

Reexamination Certificate

active

10311682

ABSTRACT:
The invention concerns a soda-lime glass. Said colored glass contains at least 5 parts per million of Co by weight and 0.5 to 0.9 wt. % Fe2O3oxide. The amount of ferrous iron by weight of Fe2+atoms relative to the total weight of iron atoms present in the glass ranges between 25 and 45%. Said glass further comprises chromium and/or vanadium. The glass has a light transmission factor TLA4 ranging between 10 and 50% and an energy transmission wavelength less than 491 nm. Said glass is particularly suited for producing blue-tinted glazing for motor vehicles.

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