C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/25
C22C 28/00 (2006.01) A61K 6/04 (2006.01) C22C 30/04 (2006.01)
Patent
CA 1292894
Abstract of the Disclosure A gallium alloy for dental restorations which is hardenable at mouth temperature or arround 37°C or more after triturating multicomponent liquid gallium alloy with alloy powder, is disclosed. The mixture has a heterogeneous structure after hardening, and contains as the overall composition, 9 - 47% gallium, 1 - 35% indium, 0.2 - 38% tin and 1 - 68% silver as indispensable components and one or more elements selected from 0.4 - 35% palladium, 0.5 - 25% copper and 0.4 - 12% zinc as arbitrary components. The multicomponent liquid gallium alloy contains 45 - 85% gallium, 5 - 40% indium and 1 - 30% tin as fundamental components and small amounts one or more elements selected from silver, palladium, gold, platinium, copper, zinc and germanium as arbitrary components. The alloy powder contains 1 - 85% silver and two or more elements selected from 1 - 40% tin, 1 - 40% palladium, 1 - 30% copper, 1 - 15% zinc and 1 - 25% indium Also, the alloy powder is used with one or more single metal powder selected from palladium, platinium, gold, silver, copper and tin and/or powdered alloy containing one or more of said metals in which said single metal powder and said powdered alloy consist of a spherical or roundish - irregular particle shape having particle size different from those of said alloy powder or a flat or flaky particle shape.
537583
Daigo Yasuhito
Horibe Takashi
Inage Kengo
Nara Takashi
Naruse Shigeyasu
Ogilvy Renault
Tokuriki Honten Company Limited
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