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Class Information
Number: 420/503
Name: Alloys or metallic compositions > Silver base > Copper containing > Other noble metal containing
Description: Alloy, or metallic composition which additionally contains at least one of the metals ruthenium, rhodium, palladium, osmium, iridium, platinum, or gold.










Patents under this class:

Patent Number Title Of Patent Date Issued
8668787 Silver alloy, sputtering target material thereof, and thin film thereof Mar. 11, 2014
8501087 Au-base bulk solidifying amorphous alloys Aug. 6, 2013
8136370 Silver-palladium alloy Mar. 20, 2012
7959855 White precious metal alloy Jun. 14, 2011
7465424 Sputtering target material Dec. 16, 2008
7118707 Silver-platinum alloy and methods of manufacturing same Oct. 10, 2006
6936117 Silver alloy with color fastness Aug. 30, 2005
6913657 Hard precious metal alloy member and method of manufacturing same Jul. 5, 2005
6860949 High strength, tarnish resistant composition of matter Mar. 1, 2005
6723281 Metal material for electronic parts, electronic parts, electronic apparatuses, and method of processing metal materials Apr. 20, 2004
6413649 Silver-copper-nickel infiltration brazing filler metal and composites made therefrom Jul. 2, 2002
6210547 Enhanced solder surface and process for chemically and mechanically enhancing solder surface properties Apr. 3, 2001
5876862 Sliding contact material, clad compoosite material, commutator employing said material and direct current motor employing said commutator Mar. 2, 1999
5833774 High strength silver palladium alloy Nov. 10, 1998
5817195 Silver colored alloy with low percentage of nickel and copper Oct. 6, 1998
5484569 Silver palladium alloy Jan. 16, 1996
5422190 Via fill paste and method of using the same containing specific amounts of silver, gold and refractory oxides Jun. 6, 1995
5242305 Method and composition for removing mercury vapor from dental restorations Sep. 7, 1993
5185125 Dental alloy and amalgam thereof Feb. 9, 1993
5171643 Electric contact material and electric contact using said material Dec. 15, 1992
5149362 Contact forming material for a vacuum interrupter Sep. 22, 1992
5075285 Silver alloy sheathing material for ceramic superconducting wires Dec. 24, 1991
5045411 Alloy compositions Sep. 3, 1991
5037708 Silver palladium alloy Aug. 6, 1991
5000779 Palladium based powder-metal alloys and method for making same Mar. 19, 1991
4948557 Tarnish resistant gold colored alloy with enhanced gold color Aug. 14, 1990
4895701 Gold colored alloy composition with zero percent gold Jan. 23, 1990
4859240 Dental amalgam alloy Aug. 22, 1989
4775511 Method of sulfide tarnish inhibiting of silver-copper, silver-gold and silver-copper-gold alloys Oct. 4, 1988
4686082 Dental amalgam alloy Aug. 11, 1987
4664629 Dental composition mixture May. 12, 1987
4623513 Ductile low temperature brazing alloy Nov. 18, 1986
4528034 Selenium-containing amalgam alloys for dental restoration and method for the preparation thereof Jul. 9, 1985
4522783 Metallic alloys to be used in dentistry Jun. 11, 1985
4385892 Setting compositions for dental purposes May. 31, 1983
4374085 Silver-tin-copper-palladium alloy and amalgam thereof Feb. 15, 1983
4370164 Yellow metal alloy Jan. 25, 1983
4369162 Silver base casting alloy for dental use Jan. 18, 1983
4350527 Gold-colored, acid and corrosion resistant alloy Sep. 21, 1982
4255191 Gold-silver alloys with good tarnish resistance for the dental art Mar. 10, 1981
4149883 Electrical contact Apr. 17, 1979
4124380 Silver-copper-germanium alloys having high oxidation resistant melts Nov. 7, 1978











 
 
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