Blue sodiocalcic glass

Details Blue sodiocalcic glass Blue sodiocalcic glass

2006-03-21

2006-03-21

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S071000, C501S904000, C501S905000

Reexamination Certificate

active

07015162

ABSTRACT:
The invention relates to blue colored sodiocalcic glass. It contains 0.15 to 1.1 wt. % Fe2O3, has a redox that does not exceed 45%, exhibits a dominant wavelength (λD) in the range of 490 and 493 nm and a luminous transmission (TLA4) in addition to an excitation purity (P) satisfying the relation P>−0.3×TLA4+24.5. The inventive glass is particularly suitable for windscreens, side windows and rear-window defoggers in motor vehicles and glazing in buildings.

REFERENCES:
patent: 5545596 (1996-08-01), Alvarez Casariego et al.
patent: 5688727 (1997-11-01), Shelestak et al.
patent: 5780372 (1998-07-01), Higby
patent: 5851940 (1998-12-01), Boulos et al.
patent: 6103650 (2000-08-01), Krumwiede
patent: 6313053 (2001-11-01), Shelestak

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