C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/15, 117/162
C03C 8/12 (2006.01)
Patent
CA 1239654
ABSTRACT OF THE DISCLOSURE The present invention is concerned with the preparation of glazes which are especially suitable for application to glass-ceramic articles containing potassium fluorrichterite as substantially the sole crystal phase. The glazes consist essentially, expressed in terms of weight percent on the oxide basis, of SiO2 46-50 CaO 1-4 Al2O3 5-8 ZnO 2-6 ZrO2 0.3-1 SrO 2-6 Li2O 1-2 B2O3 9-11 Na2O 2-3.5 PbO 20-25 K2O 1-2
505134
Beall George H.
Danielson Paul S.
Megles John E.
Tarcza Walter H.
Corning Glass Works
Gowling Lafleur Henderson Llp
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