发明名称 YELLOW DENTAL ALLOY WITH A HIGH GOLD CONTENT
摘要 A yellow dental alloy is disclosed with high gold content for castings and ceramic veneers with an adjusted thermal expansion coefficient that does not produce any undesirable discoloration of the ceramic veneers and that is very hard. It contains 70 to 85% by weight gold, 5 to 13% by weight silver, 2 to 9% by weight platinum, 0 to 4.5% by weight palladium, 0.05 to 1% by weight iridium, rhenium, rhodium and/or ruthenium, 2 to 8% by weight copper, 0.1 to 6% by weight indium, zinc and/or germanium, and 0 to 4% by weight gallium, iron and/or tungsten.
申请公布号 US5221207(A) 申请公布日期 1993.06.22
申请号 US19910769433 申请日期 1991.10.02
申请人 DEGUSSA AKTIENGESELLSCHAFT 发明人 SCHOECK, GERNOT;KEMPF, BERND;GROLL, WERNER
分类号 A61K6/04;C22C5/02 主分类号 A61K6/04
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