Class 420/464 - Copper containing

Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy, or metallic composition which additionally contains copper.
No. of patents: 35
Last issue date: 06/03/2008

Number	Title	Issue Date
7381368	Palladium-boron alloys and methods for making and using such alloys A palladium-boron composition and methods of making and using same are provided. In one aspect, the invention comprises an alloy comprising palladium and boron, the boron being in solid solution in the palladium and the alloy having a two-phase structure, wherein ea...	06/03/2008
7214644	Cross-coupling reactions A method for producing a copper/palladium colloid catalyst useful for Suzuki couplings. ...	05/08/2007
7160503	Metal matrix composites of aluminum, magnesium and titanium using silicon hexaboride, calcium hexaboride, silicon tetraboride, and calcium tetraboride A metal matrix composite was fabricated by adding particles of calcium hexaboride to a metal of aluminum, magnesium or titanium and their alloys. The resulting metal matrix composite is light weight has improved strength, increased elastic modulus and reduced therma...	01/09/2007
6913657	Hard precious metal alloy member and method of manufacturing same A hard precious metal alloy member is constituted of a gold alloy, which has a gold Au content of from 37.50 to 98.45 wt %, and contains a hardening additive in a range of not less than 50 ppm but less than 15,000 ppm, wherein the hardening additive is constituted o...	07/05/2005
5807468	Anode electrolysis electrode material using precious metal-based amorphous alloy suitable for plastic processing and applicable to a bulk member An electrode having an excellent corrosion resistance and long service life even in a severe corrosive environment such as in NaCl solutions for anode electrolysis in which chlorine gas or the like is produced at a high potential from the alloy surface. T...	09/15/1998
5538685	Palladium bonding wire for semiconductor device A bonding wire for a semiconductor device contains high purity Pd or Pd alloy as a base metal and 25-10000 atppm of low boiling element III having a boiling point lower than a melting point of the base metal and soluble in Pd, or contains high purity Pd o...	07/23/1996
5298218	Palladium based alloy for dental applications Palladium based dental alloys do not show unaesthetic discolorations after ceramic firing if said alloys contain 66-85% by weight palladium, 1-20% by weight gold; 0-4% by weight silver; 0-4% by weight of at least one of platinum, iron and/or cobalt; 0.5-7...	03/29/1994
5290371	Dental alloy and restoration made therewith A noble metal dental casting alloy for use in making dental restorations comprises 35-70 percent by weight palladium, 25-50 percent by weight silver, 0.5-10 percent by weight manganese, and 1-30 percent of at least one modifier element selected from (i) t...	03/01/1994
5139891	Palladium alloys having utility in electrical applications A palladium alloy of the form PdNbM where M is at least one element selected from the group consisting of silicon, iron, nickel, copper, cobalt, boron and aluminum is provided. The alloys exhibit oxidation resistance and electrical contact resistance and ...	08/18/1992
5075076	Novel palladium-based alloys containing tin and their use in the glass industry The invention relates to a novel palladium-based alloy. This palladium-based alloy comprises tin in an amount, preferably of 5 to 20% by weight, which is sufficient to impart an acceptable resistance to corrosion by molten glass, preferably being essentially e...	12/24/1991
5051235	Novel palladium-based alloys containing indium bismuth, silver and copper The invention relates to a novel palladium-based alloy. This palladium-based alloy comprises at least one additional element selected from indium, bismuth, silver and copper, in an amount sufficient to impart an acceptable resistance to corrosion by molten gla...	09/24/1991
5011311	Dental alloy A dental alloy consists essentially of 60 to 85% by weight palladium, 5 to 20% by weight copper, 3 to 15% by weight gallium, and, as modifiers, 0.5 to 7% by weight gold, 0.005 to 0.02% by weight ruthenium, rhenium, iridium or a mixture of at least two of ...	04/30/1991
5000779	Palladium based powder-metal alloys and method for making same The subject of this invention is the development of new alloys along with new processing approaches for the utilization of the alloys. A particular class of alloys comprises at least one noble metal selected from the group comprising gold, palladium, silv...	03/19/1991
4917861	Palladium alloy containing germanium and/or lithium and dental restorations utilizing same Dental restorations are made of a palladium alloy which consists essentially of, on a weight basis, 50-85 percent palladium; 5-40 percent of at least one metal selected from the group consisting of copper and cobalt; 1-15 percent gallium; up to 5 percent ...	04/17/1990
4836984	Dentures and alloys for use in same Palladium alloys consisting of (a) 65 to 85% palladium, (b) 0 to 10% gold and/or 0 to 5% platinum, (c) 0.1 to 10% tin, (d) 1 to 10% gallium, (e) 1 to 12% copper, (f) 0.05 to 1.5% ruthenium and/or 0.05 to 0.7% rhenium as well as (g) 0.01 to 4% tungsten and...	06/06/1989
4681735	Use of silver-free palladium alloys for firing on dental ceramics Economical but readily workable palladium alloys for baking on dental ceramics consist of 60 to 80% palladium, 0 to 8% gold, 0 to 5% platinum, 0 to 1% ruthenium and/or rhenium, 2 to 20% copper, 1 to 12% tin and/or indium, 0.2 to 5% of at least one of the ...	07/21/1987
4678636	Ductile brazing alloy containing reactive metals and precious metals Reactive metal-precious metal ductile alloys containing controlled amounts of Cu and Ni and mixtures thereof are suitable for brazing ceramics, other non-metallic and metallic materials....	07/07/1987
4608229	Palladium metal base dental alloy A palladium alloy for use in making porcelain jacketed dental restorations having the following composition: 60-85 percent by weight palladium, 5-20 percent by weight copper, 3-15 percent by weight gallium, and a modifier metal selected from gold, indium,...	08/26/1986
4604328	Ductile brazing alloy containing reactive metals and precious metals Reactive metal-precious metal ductile alloys containing controlled amounts of Cu and Ni and mixtures thereof are suitable for brazing ceramics, other non-metallic and metallic materials....	08/05/1986
4591483	Noble metal alloys for dental uses There are described noble metal alloys for dental purposes, especially for firing on dental porcelain which are low melting, do not discolor the porcelain, are repeatedly castable, and making possible brazing joints. These alloys containing 20 to 65% gold...	05/27/1986
4576790	Low gold dental alloys Low gold dental alloys, especially for firing on dental porcelains, should be easily worked, result in no discolorations and bubble formation in the firing, and have a physiologically replaceable hardness and a low melting interval. These properties are s...	03/18/1986
4576789	Grain-refined gold-free dental alloys for porcelain-fused-to-metal restorations Grain refined palladium-based dental alloys contain about 70-85 weight percent palladium, 7-15 weight percent copper, 2-8 weight percent gallium, 2-15 weight percent indium, 0.2-3.0 weight percent rhenium or ruthenium and an effective amount of boron up t...	03/18/1986
4569825	Palladium dental alloy A palladium alloy suitable for use with both high and low thermal expansion dental porcelains without causing discoloration of the porcelains. The alloy consists essentially of 70-90% palladium, 1-8% silver, 0-5% gold, 5-16% copper, 1-8% gallium, 0.01-0.8...	02/11/1986
4551302	Dental alloy based on palladium for the production of fixed and removable dental constructions Cast alloys which should be suited for both the production of removable dental construction (model casting technique) and also for permanent crowns and bridges with ceramic facing (firing technique) must combine good firing properties and good tensile str...	11/05/1985
4518564	Gallium and silver free, palladium based dental alloys for porcelain-fused-to-metal restorations A dental alloy for porcelain-fused-to-metal restorations is provided which consists essentially of, on a weight basis, about 60-90% palladium, an effective amount of ruthenium up to about 2% for the purpose of grain-refining the alloy, an effective amount...	05/21/1985
4485152	Superconducting type II palladium alloy hydride-palladium hydride composites A superconducting type II composite palladium alloy hydride material having a region containing a contiguous surface comprising a palladium alloy-palladium region wherein at least a portion of the alloy region contains hydrogen and at least a portion of t...	11/27/1984
4464213	Nobleization of beta brass The retention of the beta brass phase structure (body-centered cubic) as gold atoms (molars) are substituted for copper atoms. Thus essentially the useful physical and working properties of the beta brasses are retained (hot forgeability, castability, som...	08/07/1984
4451639	Dental alloys for porcelain-fused-to-metal restorations A dental alloy for use in porcelain-fused-to-metal restorations including palladium, cobalt, gallium, gold, aluminum, copper, zinc and ruthenium or rhenium. The cobalt controls the coefficient of thermal expansion of the alloy to permit the use of the all...	05/29/1984
4419325	Dental alloys for porcelain-fused-to-metal restorations A dental alloy for use in porcelain-fused-to-metal restorations including palladium, cobalt, gallium, gold, aluminum, copper and ruthenium or rhenium. The cobalt controls the coefficient of thermal expansion of the alloy to permit the use of the alloy wit...	12/06/1983
4400350	Palladium dental alloy A homogeneous fine grained palladium alloy consisting essentially of and between 0.08 and 0.25% of at least one metal selected from the group consisting of Ru and Ir....	08/23/1983
4387072	Novel palladium alloy and dental restorations utilizing same A palladium alloy for use in making porcelain coated dental restorations comprises 50-85 percent palladium, 5-40 percent copper and/or cobalt, 1-15 percent gallium, up to 5 percent of a modifier selected from nickel, gold, indium, ruthenium and tin, up to...	06/07/1983
4350526	Palladium/silver alloy for use with dental procelains A palladium/silver alloy for use in making porcelain coated dental restorations comprises 45-60 percent palladium, 25-45 percent silver, 3-15 percent tin and/or indium, 0.3-9.0 percent zinc, 0.1-1.0 percent silicon, up to 0.25 percent rhenium and/or iridi...	09/21/1982
4149883	Electrical contact The present invention provides electrical contacts having at least one contact surface consisting essentially of a silver palladium alloy containing 10-50 percent by weight palladium, 0.1-8 percent copper, 0.1-6 percent indium, 0.1-6 percent tin, and the ...	04/17/1979
4093453	Method of making an ordered alloy A method of making a substantially ordered alloy which involves providing a metal base consisting of at least one of the ingredients of the desired alloy, depositing a thin metal layer on the base, the metal layer containing the remaining constituents of ...	06/06/1978
3989515	Alloys for tension bands High quality factor, low torsion modulus alloys especially useful as tension bands for measuring are composed essentially of platinum or palladium admixed with at least one element of Groups III, IV, V and VI of the Periodic Table excluding boron, carbon,...	11/02/1976

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Class 420/464 - Copper containing