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Class Information
Number: 420/466
Name: Alloys or metallic compositions > Platinum base
Description: Alloy, or metallic composition which contains over 50 percent of platinum by weight.

Sub-classes under this class:

Class Number Class Name Patents
420/468 Nickel containing 25
420/467 Rhodium containing 19

Patents under this class:
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Patent Number Title Of Patent Date Issued
8685878 Highly durable nanoscale electrocatalyst based on core shell particles Apr. 1, 2014
8530371 Catalyst for diesel particle filter, preparation method of the same, and soot reduction device of diesel engine including the same Sep. 10, 2013
8491730 Magnetic material Jul. 23, 2013
8486852 Catalyst for diesel particle filter, preparation method of the same, and soot reduction device of diesel engine including the same Jul. 16, 2013
8367266 Catalyst layer Feb. 5, 2013
8361250 Amorphous platinum-rich alloys Jan. 29, 2013
8298354 Corrosion and heat resistant metal alloy for molding die and a die therewith Oct. 30, 2012
8178463 Highly durable nanoscale electrocatalyst based on core shell particles May. 15, 2012
8173306 Catalyst, method for producing catalyst, membrane electrode assembly, and fuel cell May. 8, 2012
8158276 FePtP-alloy magnetic thin film Apr. 17, 2012
8133432 Conductive material Mar. 13, 2012
8076261 Preparation method for PtCo nanocube catalyst Dec. 13, 2011
8071503 Catalyst Dec. 6, 2011
7993762 Magnetic thin film and method of manufacturing the same, and various application devices using the same Aug. 9, 2011
7923402 Metal alloy for electrochemical oxidation reactions and method of production thereof Apr. 12, 2011
7910512 Production process of electrode catalyst for fuel cell Mar. 22, 2011
7875569 Supported catalyst, method for preparing the same, cathode electrode comprising the same, and fuel cell comprising the cathode electrode Jan. 25, 2011
7846862 Methanol oxidation catalyst Dec. 7, 2010
7825057 Method for preparing the mixed electrode catalyst materials for a PEM fuel cell Nov. 2, 2010
7776781 Platinum/ruthenium catalyst for direct methanol fuel cells Aug. 17, 2010
7754644 Noble metal particle and process of producing the same Jul. 13, 2010
7740720 Platinum-palladium alloy Jun. 22, 2010
7718309 Platinum and tungsten containing electrocatalysts May. 18, 2010
7709411 Method of manufacturing multicomponent nanoparticles May. 4, 2010
7704918 Synthesis of metal-metal oxide catalysts and electrocatalysts using a metal cation adsorption/reduction and adatom replacement by more noble ones Apr. 27, 2010
7704628 Platinum, titanium, cobalt and palladium containing electrocatalysts Apr. 27, 2010
7691522 Platinum, titanium and copper, manganese and iron containing electrocatalysts Apr. 6, 2010
7662740 Platinum-chromium-copper/nickel fuel cell catalyst Feb. 16, 2010
7659224 Catalyst nanoparticle Feb. 9, 2010
7632775 Multicomponent nanoparticles formed using a dispersing agent Dec. 15, 2009
7608560 Platinum-titanium-tungsten fuel cell catalyst Oct. 27, 2009
7582172 Pt-base bulk solidifying amorphous alloys Sep. 1, 2009
7553793 Method and system for recovering catalyst for fuel cell Jun. 30, 2009
7498286 Electrocatalyst for oxygen reduction reaction in proton exchange membrane fuel cells Mar. 3, 2009
7468340 Metal-supported porous carbon film, fuel cell electrode and fuel cell employing the electrode Dec. 23, 2008
7422994 Platinum-copper-tungsten fuel cell catalyst Sep. 9, 2008
7329383 Alloy compositions and devices including the compositions Feb. 12, 2008
7235143 Controlled-grain-precious metal sputter targets Jun. 26, 2007
7229510 Manganese alloy sputtering target and method for producing the same Jun. 12, 2007
7214644 Cross-coupling reactions May. 8, 2007
6994757 Resistive materials Feb. 7, 2006
6969417 Catalytic alloy for the dissociation of water into hydrogen and oxygen and method of making Nov. 29, 2005
6913657 Hard precious metal alloy member and method of manufacturing same Jul. 5, 2005
6875324 Sputtering target material Apr. 5, 2005
6869567 Magnetic platinum alloys Mar. 22, 2005
6846370 Resistive materials Jan. 25, 2005
6800143 Supermagnetostrictive alloy and method of preparation thereof Oct. 5, 2004
6749698 Precious metal based amorphous alloys Jun. 15, 2004
6666930 FePt magnet and manufacturing method thereof Dec. 23, 2003
6663728 Gold-free platinum material dispersion-strengthened by small, finely dispersed particles of base metal oxide Dec. 16, 2003

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