Transparent, fixed tint glass lenses

Details Transparent, fixed tint glass lenses Transparent, fixed tint glass lenses

1994-01-28

1994-11-22

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 65, 501 66, 501 67, 501 71, C03C 3085, C03C 3089, C03C 3091, C03C 3093

Patent

active

053669401

ABSTRACT:
A transparent, fixed tint glass lens is provided having a thickness of between about 1.0 mm and about 1.8 mm and which is derived from an alkali silicate composition containing, in terms of weight percent on an oxide basis, at least 6.2% iron oxides, at least 0.03% cobalt oxide and at least 0.12% nickel oxide in the presence of an oxidizing agent such as arsenic oxide. Preferably, the lenses have a transmittance of not more than 1% of ultraviolet radiation at 380 nm.

REFERENCES:
patent: 2581440 (1952-01-01), Pincus
patent: 2688560 (1954-09-01), Armistead
patent: 2688561 (1954-09-01), Armistead
patent: 3010836 (1961-11-01), Upton et al.
patent: 3294556 (1966-12-01), Harrington
patent: 3561985 (1971-02-01), Hagedorn et al.
patent: 3563771 (1971-02-01), Tung
patent: 3790260 (1974-02-01), Boyd et al.
patent: 4565791 (1986-01-01), Boudot et al.
patent: 4768859 (1988-09-01), Kasori et al.
patent: 4824806 (1989-04-01), Yokoi et al.
patent: 5077240 (1991-12-01), Hayden et al.
patent: 5089444 (1992-02-01), Hattori et al.
patent: 5198393 (1993-03-01), Grebe et al.
patent: 5242869 (1993-09-01), Tarumi et al.
patent: 5256607 (1993-10-01), Kerko et al.

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