Colored photochromic glasses and method

Details Colored photochromic glasses and method Colored photochromic glasses and method

1979-11-19

1980-12-23

McCarthy, Helen M.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

65 32, 65 30R, 106 53, 106 54, 106DIG6, 428428, 428913, C03C 308, C03C 320, C03C 326

Patent

active

042408369

ABSTRACT:
Surface-colored photochromic glass articles produced by reduction heat treatments at 450.degree. C. and below which exhibit induced absorption peaks at longer wavelengths than prior art glasses, and surface colors such as orange, red, purple and blue, are described.

REFERENCES:
patent: 3892582 (1975-07-01), Simms
patent: 4018965 (1977-04-01), Kerko et al.
patent: 4118214 (1978-10-01), Wedding
patent: 4125405 (1978-11-01), Araujo et al.
patent: 4190451 (1980-02-01), Hares et al.

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