1
Paul Joseph Andersen, Hai Ying Chen, Joseph Michael Fedeyko, Erich Weigert: Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides. Johnson Matthey Public Company, RatnerPrestia, August 16, 2011: US07998443 (19 worldwide citation)

A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducin ...


2
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 ...


3
Paul Joseph Andersen, Hai Ying Chen, Joseph Michael Fedeyko, Erich Weigert: Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides. Johnson Matthey Public Company, RatnerPrestia, January 24, 2012: US08101147 (12 worldwide citation)

A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducin ...


4
Paul Joseph Andersen, Hai Ying Chen, Joseph Michael Fedeyko, Erich Weigert: Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides. Johnson Matthey Public Company, Jimmie Johnson, May 22, 2012: US08182777 (9 worldwide citation)

A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducin ...


5
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 ...


6
Paul Joseph Andersen, Hai Ying Chen, Joseph Michael Fedeyko, Erich Weigert: Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides. Johnson Matthey Public Company, Jimmie D Johnson Jr, January 8, 2013: US08347614 (5 worldwide citation)

A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducin ...


7
Paul Joseph Andersen, Hai Ying Chen, Joseph Michael Fedeyko, Erich Weigert: Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides. Johnson Matthey Public Company, Jimmie D Johnson Jr, June 17, 2014: US08753598 (3 worldwide citation)

A method of using a catalyst comprises exposing a catalyst to at least one reactant in a chemical process. The catalyst comprises copper and a small pore molecular sieve having a maximum ring size of eight tetrahedral atoms. The chemical process undergoes at least one period of exposure to a reducin ...


8
Joseph Michael Fedeyko, Hai Ying Chen, Paul Joseph Andersen: Platinum group metal (PGM) catalyst for treating exhaust gas. Johnson Matthey Public Company, Jimmie D Johnson Jr, August 25, 2015: US09114376 (3 worldwide citation)

Provided are catalysts comprising a small pore molecular sieve embedded with platinum group metal (PGM) and methods for treating lean burn exhaust gas using the same.


9
Joseph Michael Fedeyko, Hai Ying Chen, Paul Joseph Andersen: PGM catalyst for treating exhaust gas. Johnson Matthey Public Company, Gary D Mangels, September 5, 2017: US09751080 (3 worldwide citation)

Provided are catalysts comprising a small pore molecular sieve embedded with PGM and methods for treating lean burn exhaust gas using the same.


10
Joseph Michael Fedeyko, Kevin Doura, Erich Conlan Weigert, Julian Peter Cox, Hai Ying Chen, Paul Joseph Andersen: Ammonia slip catalyst. Johnson Matthey Public Company, February 28, 2017: US09579638 (1 worldwide citation)

Provided is an ammonia slip catalyst article having supported palladium in a top or upstream layer for oxidation of carbon monoxide and/or hydrocarbons, an SCR catalyst either in the top layer or in a separate lower or downstream layer, and an ammonia oxidation catalyst in a bottom layer. Also provi ...