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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39390976 Dic 197317 Feb 1976Hitachi Shipbuilding and Engineering Co., Ltd.Exhaust gas cleaning catalysts and method of producing same
US39486104 Jun 19736 Abr 1976Imperial Chemical Industries LimitedCatalyst beds for oxidizing ammonia to nitrogen oxides
US399747822 Sep 197514 Dic 1976Budapesti Muszki EgyetemPromted Raney-nickel catalysts
US406526815 Sep 197527 Dic 1977Non-uniform crimped metal ribbon packed catalyst bed and method using same
US417057430 Ene 19789 Oct 1979Hitachi Shipbuilding & Engineering Co., Ltd.Process for producing oxidizing metal catalysts incorporating platinum and catalyst produced by the process
US417941230 Ene 197818 Dic 1979Hitachi Shipbuilding & Engineering Co., Ltd.Process for producing catalyst precursors for decomposing ammonia by oxidation and precursors produced by said process
US42060813 Nov 19773 Jun 1980Hitachi Shipbuilding & Engineering Co., Ltd.Process for producing highly active denitrating catalysts
US425269011 Oct 197824 Feb 1981Hitachi, Ltd.Metallic catalyst and process for preparing the same
US434827023 Mar 19817 Sep 1982Exxon Research And Engineering Co.Catalysts and hydrocarbon treating processes utilizing the same
US435722923 Mar 19812 Nov 1982Exxon Research and Engineering Co.Catalysts and hydrocarbon treating processes utilizing the same
US460199928 May 198522 Jul 1986William B. RetallickMetal support for a catalyst
US482965524 Mar 198716 May 1989W. R. Grace & Co.-Conn.Catalyst support and method for making same
US498336621 Sep 19888 Ene 1991Degussa AktiengesellschaftMethod for the catalytic conversion of waste gases containing hydrocarbon, halogenated hydrocarbon and carbon monoxide
US510871711 Oct 199028 Abr 1992Degussa AktiengesellchaftApparatus for the catalytic conversion of waste gases