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Class 148/400 - STOCK


Subclass of Class 148 - Metal treatment
Definition: Elemental metal, alloys or metallic compositions which (a)
No. of patents: 172
Last issue date: 06/07/2011


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NumberTitleIssue Date
4050961Method for casting anodes
A method for casting an insoluble anode for use in the electrowinning of copper, the anode being formed by casting molten lead alloy preferably including calcium as an alloying agent in a suitable mold, necessary flow of the molten alloy being minimized w...
09/27/1977
4008079Superconducting alloys
Lead based Type II superconducting alloys having high critical current densities are described. The alloys of the invention are characterized by having a matrix of lead and bismuth and/or indium and having a dispersion of particles of copper, tellurium, s...
02/15/1977
4003755Dispersion-hardened lead alloy
A lead alloy is prepared by dispersing minor amounts by weight of silicon in a continuous lead phase. The alloy has a lesser density than unalloyed lead and has improved strength, excellent corrosion resistance, good electrical conductivity, and satisfact...
01/18/1977
4002505Stabilization of aluminum arsenide
Aluminum arsenide crystals, wherein gallium has been substituted for a minor portion of aluminum and which may be represented by the general formula Al1-x Gax As wherein x has values in the range of 0.02 to 0.30, are annealed at a te...
01/11/1977
3999986Method for making high ductility beryllium bodies
A method for making high ductility beryllium bodies by controlling beryllium oxide particle growth during hot pressing of beryllium powder to a maximum median size of 150 nm. More particularly, particle size is controlled by utilizing starting beryllium p...
12/28/1976
3980472Dental amalgam
An improved metal powder blend and improved dental amalgams produced therefrom comprising a mechanical mixture containing controlled proportions of an amalgamatable silver-base alloy powder and a substantially non-amalgamatable eutectic alloy powder conta...
09/14/1976
3974001Paramagnetic alloy
A vibratory or spring element. The element is formed from a paramagnetic alloy having a temperature coefficient of the moduli of elasticity between -10.sup.-4 per centigrade and +10.sup.-4 per centigrade and having the following furt...
08/10/1976
3954455Liquid-solid alloy composition
A metal composition characterized by degenerate dendritic or nodular primary discrete solid particles suspended in a secondary phase having a lower melting point than the primary particles and which secondary phase can be solid or liquid. The method invol...
05/04/1976
3953244Method of fabricating stable wrought lead-calcium-tin alloys by means of cold working
Stable wrought lead-calcium-tin alloys can be prepared by casting an alloy of lead having a calcium content of from about 0.02% or 0.03% to about 0.1% by weight and having a tin content such that the tin to calcium weight ratio or relative tin content is ...
04/27/1976
3948650Composition and methods for preparing liquid-solid alloys for casting and casting methods employing the liquid-solid alloys
A metal composition characterized by degenerate dendritic or nodular primary discrete solid particles suspended in a secondary phase having a lower melting point than the primary particles and which secondary phase can be solid or liquid. The method invol...
04/06/1976
3936298Metal composition and methods for preparing liquid-solid alloy metal composition and for casting the metal compositions
This invention provides a composite composition comprising a metallic matrix having a concentration of third phase solid particles homogeneously dispersed throughout the metallic matrix. The metallic matrix can be liquid, solid or partially solid and can ...
02/03/1976
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