Ultraviolet absorbing, fixed tint green sunglass

Details Ultraviolet absorbing, fixed tint green sunglass Ultraviolet absorbing, fixed tint green sunglass

1994-02-28

1995-04-11

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 67, 501 70, 501905, C03C 3091, C03C 408

Patent

active

054058112

ABSTRACT:
This invention is directed to a transparent glass which, at a thickness of 2 mm, transmits less than 1% of ultraviolet radiation having a wavelength of 380 nm and exhibits a green fixed tint bounded by apices A,C,D,E,A of the drawing, a purity between 18-32%, and a dominant wavelength between 554-564 nm, said glass having a composition consisting essentially, expressed in terms of weight percent on the oxide basis, of

REFERENCES:
patent: 2937952 (1960-05-01), Smith et al.
patent: 5256607 (1993-10-01), Kerko et al.
patent: 5268335 (1993-12-01), Kerko et al.

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