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US 4,049,427 AGranted
Non-precious dental alloy
OwnerRicardo Guerrainventor
Life of this patent
Estimating the term…
Abstract
A non-precious dental alloy is disclosed which is particularly useful in dental prosthesis, is strong, oxidation-resistant, aesthetically pleasing and compatible with porcelain bonding upon being formed into complicated shapes. The alloy consists of, by weight, 14-21% Cr, 0.9-1.4% Be, 0.3-0.4% Cu, 8-12% Co, 0.03-0.05% Mn, 0.8-1.2% Fe, 1-1.5% Mo, 1-1.5% Al, 0.3-0.4% Si, balance Ni.
Claims3
An alloy suitable for dental prosthetic work consisting essentially of, by weight:
- 14-21% chromium, 8-12% cobalt, 1-1.5% molybdenum, 1-1.5% aluminum, 0.9-1.4% beryllium, 0.8- 1.2% iron, 0.3-0.4% copper, 0.3-0.4% silicon, 0.03- 0.05% manganese, balance nickel.
Dependencies are inferred from the claim text.