Back to results
US 4,728,495 AGranted
Removable dental appliances
AssigneeThyssen Edelstahlwerke AG
InventorLeo Rademacher
Life of this patent
Estimating the term…
Abstract
The invention relates to removable dental appliances made of cobalt-chromium-cast alloys containing (in % by weight) 0,1 to 1,0% C, 0,05 to 0,5% N, 0,5 to 3,0% Si, 0,3 to 10,0% Mn, 20 to 35% Cr, 2 to 10% Mo, 5 to 40% Fe, at least 20% Cobalt as rest including incidental impurities.
Claims7
Removable dental appliances consisting of a cobalt-chromium cast alloy consisting essentially of (in % by weight):
- 0,1 to 1,0% carbon
- 0,05 to 0,5% nitrogen
- 0,5 to 3,0% silicon
- 0,3 to 10,0% manganese
- 20 to 35% chromium
- 2 to 10% molybdenum
- 5 to 40% iron
- at least 20% cobalt as residue including incidental impurities.
5 more elements
Dependencies are inferred from the claim text.