C - Chemistry – Metallurgy – 03 – C
Patent
C - Chemistry, Metallurgy
03
C
261/15
C03C 8/02 (2006.01) C03C 3/068 (2006.01) C03C 8/06 (2006.01)
Patent
CA 1232619
ABSTRACT Glass frit compositions are shown that are lead-free, cadmium-free, and zinc-free, the compositions having improved chemical resistance, especially acid resistance (acetic acid) of a loss of generally less than about 1.9% by weight. The compositions contain B2O3, SiO2, ZrO2 and rare earth oxides, the weight ratio of ZrO2 to rare earth oxides being critical and being about 1/1 to 1.4/1.
479903
Francel Josef
Horn Uriah
Stewart Daniel R.
Gowling Lafleur Henderson Llp
Owens-Illinois Inc.
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