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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39402613 Feb 197524 Feb 1976Eastman Kodak CompanyProcess for preparing crystalline silver particles having electrically conductive surfaces and product
US39575055 Ago 197418 May 1976Bayside Refining and Chemical CompanyGold reclamation process
US40351818 Sep 197612 Jul 1977Minnesota Mining and Manufacturing CompanyProtection of silver reduction materials
US40366346 Feb 197619 Jul 1977Plessey, IncorporatedOxidation and sinter-resistant metal powders
US403807114 Jul 197626 Jul 1977Tenneco Chemicals, Inc.Process for the removal of mercury from aqueous solutions
US431992226 Dic 197916 Mar 1982Western Electric Company, Inc.Recovery of gold from an etching solution
US43199233 Oct 198016 Mar 1982Western Electric Co., Inc.Recovery of gold and/or palladium from an iodide-iodine etching solution
US443946825 Ago 198227 Mar 1984GTE Products CorporationPlatinum coated silver powder
US44564735 May 198326 Jun 1984Chemet CorporationMethod of making silver powder
US44564745 May 198326 Jun 1984Chemet CorporationMethod of making fine silver powder
US467850524 Nov 19867 Jul 1987E. I. Du Pont de Nemours and CompanyProcess for forming solid solutions
US477688314 May 198711 Oct 1988Mitsui Mining & Smelting Co., Ltd.Process for the production of silver-palladium alloy fine powder
US500092817 Mar 198619 Mar 1991Eastman Kodak CompanyPreparation of ultra-pure silver nitrate
US551420220 Dic 19947 May 1996National Science Council of R.O.C.Method for producing fine silver-palladium alloy powder
US650622823 Mar 200114 Ene 2003Kwangju Institute of Science and TechnologyMethod of preparing platinum alloy electrode catalyst for direct methanol fuel cell using anhydrous metal chloride
US707788216 Jul 200418 Jul 2006Cabot CorporationGold powders, methods for producing powders and devices fabricated from same