Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...
Patent
1977-01-31
1978-05-09
Douglas, Winston A.
Compositions: coating or plastic
Coating or plastic compositions
Metal-depositing composition or substrate-sensitizing...
106 53, 106DIG6, C03C 326, C03C 310, C03C 304
Patent
active
040885011
ABSTRACT:
Fast-response photochromic boron-free aluminophosphate glasses which have silver halide crystals dispersed throughout the glass comprise, in weight percentages:
REFERENCES:
patent: 3615761 (1971-10-01), Sakka et al.
patent: 3876436 (1975-04-01), Lythgoe
Ellis Edric
Gelder Richard
Hale Allan
Bell Mark
Douglas Winston A.
Pilkington Brothers Limited
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