Non-magnetic cobalt-palladium dental alloy

Details Non-magnetic cobalt-palladium dental alloy Non-magnetic cobalt-palladium dental alloy

A - Human Necessities

61

K

A61K 6/04 (2006.01)

Patent

CA 2689359

A non-magnetic cobalt based "noble" metal dental alloy is provided. The alloy generally contains at least 25 wt.% palladium, from 15 to 30 wt.% chromium and a balance of cobalt, where to ensure the alloy is non-magnetic the concentration of chromium in the alloy is at least 20 wt.%, or if the concentration of chromium is less than 20 wt.% the combined concentration of chromium, molybdenum, tungsten, niobium, tantalum vanadium and rhenium is greater than 20 wt.%.

L'invention concerne un alliage dentaire de métal <= noble >= à base de cobalt non magnétique. L'alliage contient généralement au moins 25 % en poids de palladium, de 15 à 30 % en poids de chrome, le reste étant du cobalt, où la concentration en chrome dans l'alliage est d'au moins 20 % en poids pour garantir que l'alliage soit non magnétique, ou bien si la concentration en chrome est inférieure à 20 % en poids, la concentration combinée de chrome, molybdène, tungstène, niobium, tantale, vanadium et rhénium est supérieure à 20 % en poids.

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