Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Reexamination Certificate
2006-01-31
2006-01-31
Group, Karl (Department: 1755)
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
C501S064000, C501S066000, C501S067000, C065S135900
Reexamination Certificate
active
06992031
ABSTRACT:
The invention relates to a method for producing aluminosilicate glass that is devoid of alkali and that has a B2O3content of between 0 and <5 wt.-% and a BaO content in excess of 5.5 wt.-%. Said method is characterised by the addition of between 0.05 wt.-% and 1.0 wt.-% SnO2during the preparation of the mixture.
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Becker Otmar
Diezel Ralf
Naumann Karin
Ott Franz
Group Karl
Millen White Zelano & Branigan P.C.
Schott Glas
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