Class 420/466 - PLATINUM BASE

Subclass of Class 420 - Alloys or metallic compositions
Definition: Alloy, or metallic composition which contains over 50 percent of platinum by weight.
No. of applications: 35
Last issue date: 05/24/2012

Application No.	Application Title	Issue Date
20120128528	ALKALINE AND ACID PRESSURE OXIDATION OF PRECIOUS METAL-CONTAINING MATERIALS The present invention is directed to a precious metal recovery process in which an acid sulfidic feed material is subjected to acid pressure oxidation and an alkaline sulfidic feed material is subjected to alkaline pressure oxidation, with the discharge slurries from th...	05/24/2012
20110318662	PLATINUM PHOSPHIDE AS A CATHODE CATALYST FOR PEMFCS AND PHOSPHOROUS TREATMENT OF CATALYSTS FOR FUEL CELL The present disclosure relates to a catalyst including platinum phosphide having a cubic structure, a method of making the catalyst, and a fuel cell utilizing the catalyst. The present disclosure also relates to method of making electrical power utilizing a PEMFC incorp...	12/29/2011
20110064825	Method for preparing dispersions of precious metal nanoparticles and for isolating such nanoparticles from said dispersions The present invention is directed to a method for preparing colloidal dispersions of precious metal nanoparticles selected from the group consisting of Pt, Au, Pd, Ag, Rh, Ru and mixtures or alloys thereof, and to a method for isolating such precious metal nanoparticles...	03/17/2011
20110020170	METAL NANOPARTICLES STABILIZED WITH DERIVATIZED POLYETHYLENEIMINES OR POLYVINYLAMINES The invention relates to metal nanoparticles and a process for the preparation thereof, in which a metal salt solution is reduced with a reducing agent in the presence of the derivatized polyethyleneimines or polyvinylamines. Metal salt solutions of two or more differen...	01/27/2011
20100296963	CRYSTAL STRUCTURE OF A PLASMA MEMBRANE PROTON PUMP The present invention relates to a crystal structure of a plasma membrane proton pump type ATPase. The invention further describes method for identification of modulators of ATPases as well as uses of such modulators. Based on the provided three dimensional structure of...	11/25/2010
20100253204	PLATINUM ALLOY FOR SPARK PLUG ELECTRODES AND SPARK PLUG HAVING A PLATINUM ALLOY ELECTRODE A spark plug and an alloy for an electrode tip of a spark plug is disclosed herein. The spark plug having: an insulator shell; a center electrode inside the insulator shell such that one end of the center electrode protrudes from the insulator shell; a metal shell exter...	10/07/2010
20100248297	PARTICLES AND MANUFACTURING METHODS THEREOF Particles and manufacturing methods thereof are provided. The manufacturing method of the particle includes providing a precursor solution containing a precursor dissolved in a solution, and irradiating the precursor solution with a high energy and high flux radiation b...	09/30/2010
20100196192	Production of metal and metal-alloy nanoparticles with high repetition rate ultrafast pulsed laser ablation in liquids Various embodiments include a method of producing chemically pure and stably dispersed metal and metal-alloy nanoparticle colloids with ultrafast pulsed laser ablation. A method comprises irradiating a metal or metal alloy target submerged in a liquid with ultrashort la...	08/05/2010
20100167078	NANO POWDER, NANO INK AND MICRO ROD, AND THE FABRICATION METHODS THEREOF Disclosed are a method for fabricating nanopowders, nano ink containing the nanopowders and micro rods, and nanopowders containing nanoparticles, nano clusters or mixture thereof, milled from nano fiber composed of at least one kind of nanoparticles selected from a grou...	07/01/2010
20100140727	MAGNETIC THIN FILM AND METHOD OF MANUFACTURING THE SAME, AND VARIOUS APPLICATION DEVICES USING THE SAME The present invention relates to a magnetic thin film containing a L1₁type Co—Pt—C alloy in which atoms are orderly arranged, and can realize an order degree excellent in regard to the L1₁type Co—Pt—C alloy to achieve excellent magnetic a...	06/10/2010
20100139319	Platinum alloy and method of production thereof The disclosure relates to a platinum alloy comprising (a) 63.01 to 69.99 wt. % of platinum, (b) 1.5 to 10 wt. % of cobalt, and (c) 20.01 to 35.49 wt. % of copper. The platinum alloys have excellent mechanical and optical properties for use in the production of ornamenta...	06/10/2010
20100111751	METHOD FOR THIOSULFATE LEACHING OF PRECIOUS METAL-CONTAINING MATERIALS Processes are provided for recovering precious metals from refractory materials using thiosulfate lixiviants. The processes can employ heap leaching or lixiviants that include one or more blinding agents....	05/06/2010
20090317289	PROCESS FOR PRODUCING METAL NANOPARTICLE AND METAL NANOPARTICLE PRODUCED BY THE PROCESS The present invention has an object of providing a single-stage production method that enables the production of ultra fine metal nanoparticles and ordered alloy nanoparticles within solution. The production method includes irradiating a so...	12/24/2009
20090297389	CONDUCTIVE MATERIAL Provided is a conductive material to be used for a resistor and a sensor, which is enhanced its mechanical strength while maintaining a stable resistance ratio. In the conductive material used for the resistor and the sensor, 400 to 10,000 ppm of Sr is contained in Pt, ...	12/03/2009
20090181183	Stabilized Metal Nanoparticles and Methods for Depositing Conductive Features Using Stabilized Metal Nanoparticles A metal nanoparticle composition includes a thermally decomposable or UV decomposable stabilizer. A method of forming conductive features on a substrate, includes providing a solution containing metal nanoparticles with a stabilizer; and liquid depositing the solution o...	07/16/2009
20090047170	Oxide-Dispersion Strengthened Platinum Material The present invention provides an oxide-dispersion-strengthened platinum material in which dispersed particles made from a metallic oxide of an additive metal are dispersed in a matrix made from platinum or a platinum alloy, characterized in that the concentration of ox...	02/19/2009
20090035852	Stable Atomic Quantum Clusters, Production Method Thereof and Use of Same Stable atomic quantum clusters, AQCs, characterized by being composed of at least 500 metal atoms, its production process characterized by having a kinetic control and by maintaining a low concentration of reagents in the reaction medium, as well as the uses of these cl...	02/05/2009
20080298997	Platinum Alloy and Method of Production Thereof The disclosure relates to a platinum alloy comprising (a) 55 to 63 wt. % of platinum, (b) 2 to 10 wt. % of cobalt, and (c) 27 to 43 wt. % of copper. The disclosure further relates to a platinum alloy comprising (a) 70 to 79.5 wt. % of platinum, 2 to 10 wt. % of cobalt, ...	12/04/2008
20080232997	Method of producing cobalt-platinum magnetic alloys with improved magnetic properties A method for processing CoPt alloys with improved magnetic properties. The method includes sealing a sample of a CoPt alloy in an evacuated quartz tube, and heating the alloy to a temperature of approximately 1000 degrees C. to homogenize the alloy for approximately 3 h...	09/25/2008
20080232999	Platinum-palladium alloy An alloy for use in jewelry applications is provided that has a composition comprising about 45 to about 55 platinum by weight and about 55 to about 45 percent palladium by weight. The alloy possesses favorable characteristics as compared to pure platinum and pure palla...	09/25/2008
20080166259	Single Crytalline Noble Metal Ultrathin-Film-Like Nanoparticle Formed in Adsorbed Micelle Film as Reaction Filed Formed at Solid-Liquid Interface, and Production Method Thereof It is aimed at creating noble metal nanoparticles having novel shapes, sizes, and arrangements usable for catalysts, electrodes, and the like. Micelles made into rod-like shapes having semicylindrical cross-sections are formed on a carrier ...	07/10/2008
20080152534	Self-assembling raman-active nanoclusters Raman-active nanoclusters comprised of a metal and a Raman-active organic molecule incorporated therein that are capable of self-assembly are described. The Raman-active nanoclusters are capable of acting as sensitive reporters for analyte detection. A metal that enhanc...	06/26/2008
20080091267	MEDICAL DEVICES INCLUDING HARDENED ALLOYS Medical devices, such as endoprostheses, and methods of making the devices are disclosed. The endoprostheses comprise a tubular member capable of maintaining patency of a bodily vessel. The tubular member includes a mixture of at least two compositions, where the presen...	04/17/2008
20080081763	Polyester Compositions, Methods of Manufacturing Said Compositions, and Articles Made Therefrom Crosslinked polymer compositions have backbones with first and second divalent saturated aliphatic moieties, a divalent saturated aliphatic secondary alcohol moiety, and a trivalent saturated aliphatic moiety. Hydrolytically labile ester bonds joined together these moie...	04/03/2008
20070259251	Platinum, titanium, cobalt and palladium containing electrocatalysts The present teachings are directed toward electrocatalyst compositions of platinum, titanium and at least a third metal for use in fuel cells. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 50 pe...	11/08/2007
20070212590	Platinum, titanium and copper, manganese and iron containing electrocatalysts The present teachings are directed toward electrocatalyst compositions of platinum, titanium and at least a third metal for use in fuel cells. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 55 pe...	09/13/2007
20070051435	Platinum/palladium alloy This invention relates to a platinum alloy for use in fine jewelry as an alternative to traditional grades of platinum or white gold. This alloy affords a much whiter color and a higher level of hardness to maintain the surface over an extended period of time that a pie...	03/08/2007
20060178260	Gold-based alloy nanoparticles for use in fuel cell catalysts A method is featured for fabricating Carbon-supported AuPt nanoparticle catalysts for fuel cells, and particularly fuel cells using methanol as the fuel. The method prepares AuPt-based fuel cell catalysts having a wide range of controllable Au:Pt ratios. The AuPt cataly...	08/10/2006
20060124209	Pt-base bulk solidifying amorphous alloys Pt-based bulk-solidifying amorphous alloys and methods of forming articles from Pt-based bulk-solidifying amorphous alloys are provided. The Pt-based alloys of the current invention are based on Pt—Ni—Co—Cu—P alloys. ...	06/15/2006
20060121332	Platinum and tungsten containing electrocatalysts The present teachings are directed toward electrocatalyst composition of an alloy of platinum and tungsten for use in fuel cells. The alloy consists essentially of platinum metal present in an atomic percentage ranging between about 20 percent and about 50 percent, and ...	06/08/2006
20060078457	Low oxygen content alloy compositions Alloy compositions include Mn alloys that combine Mn with one element selected from Ga, In, Ni and Zn. Also included are Fe alloys and Co alloys in which Fe or Co are combined with either Pt or Pd. The alloy compositions form ordered compounds having L1₀or L...	04/13/2006
20050260094	PLATINUM-RUTHENIUM-PALLADIUM FUEL CELL ELECTROCATALYST A catalyst suitable for use in a fuel cell, especially as an anode catalyst, that contains platinum at a concentration that is between about 20 and about 60 atomic percent, ruthenium at a concentration that is between about 20 and about 60 atomic percent, palladium at a...	11/24/2005
20050169791	Platinum alloy and method of production thereof The disclosure relates to a platinum alloy comprising (a) 55 to 63 wt. % of platinum, (b) 2 to 10 wt. % of cobalt, and (c) 27 to 43 wt. % of copper; The disclosure further relates to a platinum alloy comprising (a) 70 to 79.5 wt. % of platinum, 2 to 10. wt. % of cobalt,...	08/04/2005
20050106449	Fuel cell electrocatalyst of pt-mn-co An improved metal alloy composition for a fuel call catalyst containing platinum, manganese, and cobalt. ...	05/19/2005
20050089438	Alloy compositions and devices including the compositions Alloy compositions, including devices and instruments that include the compositions, are disclosed. The compositions have high hardness, strength, corrosion resistance, and biocompatibility. The compositions can be used to manufacture, for example, medical devices and p...	04/28/2005

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Class 420/466 - PLATINUM BASE