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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US408042027 Ene 197721 Mar 1978Du Pont of Canada Ltd.Leaching of tungsten values from tri (alkaline earth metal) tungstate
US408392027 Ene 197711 Abr 1978Du Pont of Canada LimitedTreatment of tri(alkaline earth metal) tungstates with acids
US459541222 Jul 198517 Jun 1986GTE Products CorporationProduction of molybdenum metal
US49521442 Feb 198928 Ago 1990Commissariat a l'Energie AtomiqueApparatus for improving quality of metal or ceramic powders produced
US504461312 Feb 19903 Sep 1991The Charles Stark Draper Laboratory, Inc.Uniform and homogeneous permanent magnet powders and permanent magnets
US535869521 Ene 199325 Oct 1994Physical Sciences, Inc.Process for producing nanoscale ceramic powders
US544770810 May 19935 Sep 1995Physical Sciences, Inc.Apparatus for producing nanoscale ceramic powders
US559951124 May 19954 Feb 1997Physical Sciences, Inc.Apparatus for producing nanoscale ceramic powders
US62680142 Oct 199731 Jul 2001Method for forming solar cell materials from particulars
US633880924 Feb 199815 Ene 2002Superior Micropowders LLCAerosol method and apparatus, particulate products, and electronic devices made therefrom
US663534822 Sep 200021 Oct 2003Superior MicroPowders LLCAerosol method and apparatus, particulate products, and electronic devices made therefrom
US688756617 Nov 20003 May 2005Cabot CorporationCeria composition and process for preparing same
US70837471 Nov 20041 Ago 2006Cabot CorporationAerosol method and apparatus, coated particulate products, and electronic devices made therefrom
US708719816 Nov 20048 Ago 2006Cabot CorporationAerosol method and apparatus, particulate products, and electronic devices made therefrom
US71288522 Sep 200331 Oct 2006Cabot CorporationAerosol method and apparatus, particulate products, and electronic devices made therefrom
US757242324 Nov 200311 Ago 2009Cabot CorporationFumed metal oxide particles and process for producing the same
US80389715 Sep 200818 Oct 2011Cabot CorporationFumed silica of controlled aggregate size and processes for manufacturing the same

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