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Paul Joseph Andersen, Jillian Elaine Bailie, John Leonello Casci, Hai Ying Chen, Joseph Michael Fedeyko, Rodney Kok Shin Foo, Raj Rao Rajaram: Transition metal/zeolite SCR catalysts. Jimmie D Johnson Jr, December 10, 2013: US08603432 (13 worldwide citation)

A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahed ...


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Joseph Michael Fedeyko, Rodney Kok Shin Foo, John Leonello Casci, Hai Ying Chen, Paul Joseph Andersen, Jillian Elaine Collier, Raj Rao Rajaram: Transition metal/zeolite SCR catalysts. Johnson Matthey Public Company, Jimmie D Johnson Jr, December 9, 2014: US08906820 (6 worldwide citation)

A method of converting nitrogen oxides in a gas to nitrogen by contacting the nitrogen oxides with a nitrogenous reducing agent in the presence of a zeolite catalyst containing at least one transition metal, wherein the zeolite is a small pore zeolite containing a maximum ring size of eight tetrahed ...


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John Leonello Casci, Carl Leonard Huitson, Cornelis Martinus Lok: Catalysts. Johnson Matthey, RatnerPrestia, June 8, 2010: US07732370 (5 worldwide citation)

A catalyst including cobalt, zinc oxide and aluminium is described, having a total cobalt content of 15-75% by weight (on reduced catalyst), an aluminium content ≧10% by weight (based on ZnO) and which when reduced at 425° C., has a cobalt surface area as measured by hydrogen chemisorption at 150° C ...


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John Leonello Casci, Alejandro Martin Antonini: Catalyst manufacture. Johnson Matthey, RatnerPrestia, September 13, 2011: US08017544 (5 worldwide citation)

A method is described for lowering the nitrate content in a cobalt catalyst precursor formed by impregnating a catalyst support with cobalt nitrate, comprising calcining the impregnated support in air to effect partial denitrification and subsequently heating the calcined impregnated support to a te ...


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John Leonello Casci, Elizabeth Margaret Holt, Adel Fay Neale: Process for preparing catalyst supports having reduced levels of contaminants. Johnson Matthey, Jones Day, August 23, 2011: US08003566 (2 worldwide citation)

A method of preparing a catalyst support is described comprising washing a precipitated metal oxide material with water and/or an aqueous solution of acid and/or base such that contaminant levels in said precipitated metal oxide are reduced. The method may be applied to precipitated alumina material ...


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Paul J Andersen, John Leonello Casci, Hai Ying Chen, Joseph M Fedeyko: Disordered molecular sieve supports for the selective catalytic reduction of NO. Johnson Matthey Public Company, Jimmie D Johnson Jr, January 13, 2015: US08932973 (2 worldwide citation)

A catalyst for selective catalytic reduction of NOx having one or more transition metals selected from Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir, Pt, and mixtures thereof supported on a support, wherein the support has a molecular sieve having at least one intergrowth ph ...


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Paul J Andersen, John Leonello Casci, Hai Ying Chen, Joseph M Fedeyko: Disordered molecular sieve supports for the selective catalytic reduction of NO. Johnson Matthey Public Company, Jimmie D Johnson Jr, August 19, 2014: US08809217 (1 worldwide citation)

A catalyst for selective catalytic reduction of NOx having one or more transition metals selected from Cr, Mn, Fe, Co, Ce, Ni, Cu, Zn, Ga, Mo, Ru, Rh, Pd, Ag, In, Sn, Re, Ir, Pt, and mixtures thereof supported on a support, wherein the support has a molecular sieve having at least one intergrowth ph ...


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John Leonello Casci, Lucia Gaberova, Jillian Elaine Collier: Catalyst for treating exhaust gas. Johnson Matthey Public Company, Jimmie D Johnson, June 2, 2015: US09044744 (1 worldwide citation)

Provided is a catalyst composition having an aluminosilicate molecular sieve having an AEI structure and a mole ratio of silica-to-alumina of about 20 to about 30 loaded with about 1 to about 5 weight percent of a promoter metal, based on the total weight of the molecular sieve material. Also provid ...


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John Leonello Casci, Jillian Elaine Collier, Lucia Gaberova: Catalyst for treating exhaust gas. Johnson Matthey Public Company, Jimmie D Johnson, March 21, 2017: US09597671 (1 worldwide citation)

Provided is a catalyst composition having an aluminosilicate molecular sieve having an AEI structure and a mole ratio of silica-to-alumina of about 20 to about 30 loaded with about 1 to about 5 weight percent of a promoter metal, based on the total weight of the molecular sieve material. Also provid ...