C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/13, 49/92.5
C03C 27/04 (2006.01) C03C 3/087 (2006.01)
Patent
CA 1255335
Abstract of the Disclosure This invention relates to glass compositions especially designed for use as envelopes for tungsten-halogen incandescent lamps wherein molybdenum metal lead wires are utilized. The glasses consist essentially, expressed in terms of weight percent on the oxide basis, of 8.5-14% BaO, 10.5-12.5% CaO, 14-15.5% Al2O3, and 59.5-63% SiO2.
540059
Corning Glass Works
Gowling Lafleur Henderson Llp
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