Photochromic boro-silicate glass

Details Photochromic boro-silicate glass Photochromic boro-silicate glass

1978-05-18

1981-09-22

Vertiz, O. R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

106472, 106 53, 106DIG6, 501 9577, C03C 310, C03C 308, C03C 326

Patent

active

042908132

ABSTRACT:
Fast-response photochromic boro-silicate glasses which have a half-fading time of not more than 145 secs, have silver halide crystals dispersed throughout the glass and are free from barium, comprise, in weight percentages:

REFERENCES:
patent: 3197296 (1965-07-01), Eppler et al.
patent: 3208860 (1965-09-01), Armistead et al.
patent: 3795523 (1974-03-01), Moriya et al.
patent: 4102693 (1978-07-01), Owen et al.

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