Dark gray colored glass

Details Dark gray colored glass Dark gray colored glass

1997-03-20

1999-05-18

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501904, 501905, C03C3/087

Patent

active

059050470

ABSTRACT:
A dark gray colored glass comprising 100 parts by weight of a soda lime silicate glass as a matrix component and coloring components consisting essentially of from 0.8 to 1.5 parts by weight of total iron calculated as Fe.sub.2 O.sub.3, from 0.1 to 0.3 part by weight of FeO, from 0 to 1.0 part by weight of TiO.sub.2, from 0.0005 to 0.015 part by weight of Se, from 0.02 to 0.05 part by weight of CoO and from 0.002 to 0.05 part by weight of Cr.sub.2 O.sub.3.

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patent: 5582455 (1996-12-01), Casariego et al.
patent: 5728471 (1998-03-01), Dupont et al.
Database WPI, Derwent Publications, AN-94-321988, JP-06-247740, Sep. 6, 1994.

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