UV absorbing container glass compositions

Details UV absorbing container glass compositions UV absorbing container glass compositions

1998-03-20

2000-03-14

Group, Karl

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501905, C03C 3087, C03C 408

Patent

active

060372869

ABSTRACT:
A container glass composition that reduces U.V. light transmission below a wavelength of about 400 nanometers, the composition having melting and forming properties similar to soda-lime-silica glass and containing SiO.sub.2, CaO, MgO, K.sub.2 O, SO.sup.-.sub.3, and a U.V. absorbing amount of about 0.4 to 0.8 weight percent FeO+Fe.sub.2 O.sub.3, and about 2 to 4 weight percent of MnO+MnO.sub.2.

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patent: 5656560 (1997-08-01), Stozel et al.
patent: 5776845 (1998-07-01), Boulos et al.

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