Crystallizable glass and the use thereof for producing...

Details Crystallizable glass and the use thereof for producing... Crystallizable glass and the use thereof for producing...

2007-11-06

2007-11-06

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

C501S010000, C501S073000, C501S077000, C501S078000, C428S846900, C065S033700

Reexamination Certificate

active

10528718

ABSTRACT:
The invention relates to crystallizable aluminosilicate magnesium-containing glass which is used for producing extremely solid and break-resistant glass-ceramics having an easily polished surface. The inventive crystallizable glass contains 5-33 mass % of SiO2, 25-40 mass % of Al2O3, 5-25 mass % of MgO, 0-15 mass % of B2O3, 0.1-30 mass % of Y2O3, Ln2O3, As2O3and/or Nb2O5and 0.1-10 mass % of P2O5.

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