Lightly tinted glasses of variable transmission

Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...

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Details

501 56, C03C 406, C03C 311

Patent

active

047570342

ABSTRACT:
This invention relates to the production of lightly tinted, photochromic glasses having base compositions consisting essentially, in weight percent, of

REFERENCES:
patent: 3998647 (1976-12-01), Yamashita et al.
patent: 4102693 (1978-07-01), Owen et al.
patent: 4130437 (1978-12-01), Mazean et al.
patent: 4251278 (1981-02-01), Hares
patent: 4549894 (1985-10-01), Aranjo et al.

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