Alloys or metallic compositions – Containing over 50 per cent metal but no base metal – Copper containing
Reexamination Certificate
2011-07-26
2011-07-26
King, Roy (Department: 1733)
Alloys or metallic compositions
Containing over 50 per cent metal but no base metal
Copper containing
C148S024000
Reexamination Certificate
active
07985374
ABSTRACT:
A cadmium-free silver brazing filler metal containing gallium, indium, nickel and cerium falls into the field of metal material and metallurgy. Its chemical composition includes (by mass percentage) Cu 28.0%-35.0%, Zn 28.0%-38.0%, Ga 0.1%-2.5%, In 0.1%-2.5%, Ni 0.1%-2.5%, Ce 0.002%-0.1%, and Ag in balance.
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International Search Report issued in corresponding Chinese PCT/CN2007/000237, dated Aug. 30, 2007.
Gu Jianchang
Gu Liyong
Gu Wenhua
Xue Songbai
Changshu Huayin Filler Metals Co., Ltd.
Fogarty Caitlin
King Roy
Rossi Kimms & McDowell LLP
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