Gold containing preparation for coating metallic parts (II)
AssigneeDegussa AG
InventorsJurgen Hausselt, Harry Schiwiora, Manfred Stumke, Klaus Lutz
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Abstract
There are applied gold containing preparations as intermediate layers for facing fired on alloys with ceramic compositions in the dental art. These gold preparations should improve the adhesiveness, form a structured surface and make possible a saving in the consumption of gold. This is accomplished with preparations that contain 60 to 95% gold powder, at least 50% of which are platelet shaped particles, 5-40% of a binder and in a given case up to 20 of a powder as an adhesive which is made of metals and/or non-metals.
Claims13
A gold-containing preparation suitable for coating metallic parts especially for coating fired on alloys in the dental art before the facing with ceramic compositions, said preparation consisting essentially of (1) gold powder having length and breadth dimensions of less than 50.mu. and a thickness of less than 2.mu. and a binder of an organic solvent and a resin, said binder being liquid at room temperature and able to be volatilized or burned at the firing temperature, there being present 60 to 95 weight % gold powder of which at least 50% are platelet shaped particles and 5 to 40 weight % of the binder or (2) a preparation consisting eseentially of (1) and an adhesive.
Dependencies are inferred from the claim text.