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Class Information
Number: 423/22
Name: Chemistry of inorganic compounds > Treating mixture to obtain metal containing compound > Platinum group metal (ru, rh, pd, os, ir, or pt)
Description: Processes in which the compound comprises one of the metals known as the platinum group metals, i.e., ruthenium rhodium, palladium, osmium, iridium or platinum.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
8702838 Method for recovering metal, and reagent and kit for recovery of metal for use in the same Apr. 22, 2014
8663584 Method and technique employing a novel extractant to enhance recovery of gold and palladium from hydrochloric acid media Mar. 4, 2014
8636967 Metal recovery from hydroconverted heavy effluent Jan. 28, 2014
8618019 Method for producing platinum nanoparticles Dec. 31, 2013
8609050 Corrosion control in and selenium removal from flue gas wet scrubber systems Dec. 17, 2013
8580212 Process for preparing trichloroammineplatinate salt and the products obtained therein Nov. 12, 2013
8562922 Picolylamine resins Oct. 22, 2013
8535625 Adsorbent and method of collecting precious metal using the same Sep. 17, 2013
8500846 Rare metal extractant Aug. 6, 2013
8475749 Process for recovery of noble metals from functionalised, noble metal-containing adsorption materials Jul. 2, 2013
8454914 Method for recovering ruthenium Jun. 4, 2013
8436044 Pharmaceutical composition or combination drug May. 7, 2013
8399529 Method of homogenization and, optionally, analysis for processing moist noble metal-containing recycling materials with an unknown noble metal content Mar. 19, 2013
8383070 Method for recovering rhenium and other metals from rhenium-bearing materials Feb. 26, 2013
8372360 Controlled metal leach recovery circuit Feb. 12, 2013
8372361 Copper recovery circuit Feb. 12, 2013
8362199 Borazine-based resin, process for its production, borazine-based resin composition, insulating film and method for its formation Jan. 29, 2013
8333941 Spray pyrolysis synthesis of mesoporous NbRuyOz as electrocatalyst supports in fuel cells Dec. 18, 2012
8329903 Light-emitting element including organometallic complex including pyrazine derivative Dec. 11, 2012
8323502 Multi-layered macromolecules and methods for their use Dec. 4, 2012
8318113 Purification of metals Nov. 27, 2012
8252252 Processes for the recovery of ruthenium from materials containing ruthenium or ruthenium oxides or from ruthenium-containing noble metal ore concentrates Aug. 28, 2012
8252253 Process for recovering ruthenium from used ruthenium oxide-comprising catalysts Aug. 28, 2012
8246975 Drug, drug guidance system, magnetic detection system, and drug design method Aug. 21, 2012
8240480 Sorting mined material Aug. 14, 2012
8242040 Process for the removal of corrosion metals from carbonylation catalyst solutions Aug. 14, 2012
8211389 Metal scavenging polymers and uses thereof Jul. 3, 2012
8206682 Method for recovering catalytic elements from fuel cell membrane electrode assemblies Jun. 26, 2012
8187561 Processes and systems for recovering catalyst promoter from catalyst substrates May. 29, 2012
8101755 Organometallic complex including pyrazine derivative Jan. 24, 2012
8097227 Method for thiosulfate leaching of precious metal-containing materials Jan. 17, 2012
8092573 Purification of PGM species from mixtures thereof Jan. 10, 2012
8088346 Alkene hydrofunctionalization reactions Jan. 3, 2012
8062526 Separation of platinum group metals Nov. 22, 2011
8062620 Catalytic process for the conversion of Co (II)hydroxide in Co (III)oxidehydroxide Nov. 22, 2011
8038969 Rare metal/platinum-group metal extractant and method for extracting rare metals and platinum-group metals Oct. 18, 2011
8030055 Method of biotreatment for solid materials in a nonstirred surface bioreactor Oct. 4, 2011
8012905 Process for preparing platinum based electrode catalyst for use in direct methanol fuel cell Sep. 6, 2011
7998367 Metal-carbon nanotube composites for enhanced thermal conductivity for demanding or critical applications Aug. 16, 2011
7968064 Method for extraction of metals by methyliminobisalkylacetamide Jun. 28, 2011
7955529 Synthesis for catalysis of bifunctional perovskite compound Jun. 7, 2011
7951311 Non-lead resistor composition May. 31, 2011
7951223 Method of separating rhodium from platinum and/or palladium May. 31, 2011
7935173 Process for recovery of precious metals May. 3, 2011
7918918 Extractants for palladium and method of rapidly separating and recovering palladium using the same Apr. 5, 2011
7858056 Recovering metals from sulfidic materials Dec. 28, 2010
7829496 Process for preparing platinum based electrode catalyst for use in direct methanol fuel cell Nov. 9, 2010
7790646 Conversion of fine catalyst into coke-like material Sep. 7, 2010
7754644 Noble metal particle and process of producing the same Jul. 13, 2010
7744834 Method for manufacturing metal nanoparticles Jun. 29, 2010

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