C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
75/67
C22C 5/02 (2006.01) A61C 11/00 (2006.01) A61K 6/04 (2006.01)
Patent
CA 1098342
NOBLE-METAL DENTAL ALLOY WITH IMPROVED GOLD COLOR Abstract of-the Disclosure A gold alloy for use in a dental restoration, and which maintains a true yellow-gold color after being cast and having a procelain jacket fired thereon. The alloy is 83-87% gold, 7-12% platinum, 1.5-3.0% rhodium, and less than 1.0% copper. Other elements are included for grain refining, strength, formation of bonding oxide for the ceramic jacket, and the like.
317786
Gowling Lafleur Henderson Llp
Unitek Corporation
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