C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/16
C03C 3/087 (2006.01)
Patent
CA 2276118
A universal lead free glass (ULF) has been developed having a high electrical resistivity and mechanical working properties comparable to conventional lead glasses used in the manufacture of electric lamps. The ULF glass may be used to manufacture both low and high wattage electric lamps and in particular to make filament mounts for such applications.
Fetherstonhaugh & Co.
Osram Sylvania Inc.
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