1
Patrick Lee Burk, John Karl Hochmuth, Joseph Charles Dettling, Ronald Marshall Heck, John Joseph Steger, Samuel Jack Tauster: Method and apparatus for treating an engine exhaust gas stream. Engelhard Corporation, Richard A Negin, January 9, 2001: US06171556 (110 worldwide citation)

A method and apparatus in accordance with the invention is described which comprises treating an engine exhaust gas stream containing hydrocarbons and other pollutants. The method of this invention comprises the steps of flowing the exhaust gas stream through a catalytic member comprising a monolith ...


2
Joseph Allan Patchett, Joseph Charles Dettling, Elizabeth Alina Przybylski: Catalyzed SCR filter and emission treatment system. BASFD Catalysts, Richard A Negin, June 12, 2007: US07229597 (91 worldwide citation)

Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system has an oxidation catalyst upstream of a soot filter coated with a materia ...


3
Tilman Wolfram Beutel, Joseph Charles Dettling, Dustin Owen Hollobaugh, Torsten Wolfgang Mueller: Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function. BASF Catalysts, Scott S Servilla, Diehl Servilla, Melanie L Brown, August 18, 2009: US07576031 (85 worldwide citation)

The present invention is directed to a diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx). More particularly, the present invention is directed to a novel washc ...


4
Yuejin Li, Michel Deeba, Joseph Charles Dettling, Joseph Allan Patchett, Stanley Allen Roth: Emissions treatment system with NSR and SCR catalysts. BASF Catalysts, Scott S Servilla, Diehl Servilla, Melanie L Brown, February 17, 2009: US07490464 (20 worldwide citation)

Provided is an emissions treatment system for an exhaust stream, having a NOx storage reduction (NSR) catalyst with a NOx sorbent at a concentration of at least 0.1 g/in3 and a platinum group metal component dispersed on a refractory metal oxide support; and, an SCR catalyst disposed downstream of t ...


5
Joseph Allan Patchett, Joseph Charles Dettling: and unreacted ammonia, Zone coated catalyst to simultaneously reduce NO. BASF Catalysts, Melanie L Brown, Drinker Biddle & Reath, Bronwen M Loeb, January 27, 2009: US07481983 (14 worldwide citation)

Provided is an emissions treatment system and method for reducing NOx emissions in the exhaust stream produced from an internal combustion engine. The system has an injector for periodically metering ammonia or an ammonia precursor into an exhaust stream; and a first substrate with a first SCR catal ...


6
Joseph Charles Dettling, Yuejin Li: Diesel particulate filters having ultra-thin catalyzed oxidation coatings. BASF Corporation, Melanie L Brown, February 21, 2012: US08119075 (7 worldwide citation)

The present invention is directed to an exhaust gas treatment system and method for removing particulate matter and nitrogen oxides from diesel engine exhaust streams. More specifically, the present invention relates to an emission treatment system that effectively provides simultaneous treatment of ...


7
Joseph Allan Patchett, Joseph Charles Dettling: Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia. BASF Catalysts, Bronwen M Loeb, Drinker Biddle & Reath, August 3, 2010: US07767176 (6 worldwide citation)

Provided is an emissions treatment system and method for reducing NOx emissions in the exhaust stream produced from an internal combustion engine. The system has an injector for periodically metering ammonia or an ammonia precursor into an exhaust stream; and a first substrate with a first SCR catal ...


8
Joseph Allan Patchett, Joseph Charles Dettling, Elizabeth Alina Przybylski: Method of forming a catalyzed selective catalytic reduction filter. BASF Corporation, Melanie L Brown, May 19, 2015: US09032709 (3 worldwide citation)

Provided is an emission treatment system and method for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system has an oxidation catalyst upstream of a soot filter coated with a materia ...


9
Torsten Wolfgang Mueller, Tilman Wolfram Beutel, Joseph Charles Dettling, Markus Kinne: Diesel exhaust treatment system catalyst monitoring. Basf Corporation, Melanie L Brown, Scott Serrilla, Diehl Serrilla, April 3, 2012: US08148290 (3 worldwide citation)

Diesel exhaust treatment articles, systems and methods are disclosed. According to one or more embodiments, an oxygen storage component is utilized and degradation of the oxygen storage component is correlated with degradation of the hydrocarbon conversion efficiency of a catalyst in a diesel engine ...


10
Michael Patrick Galligan, Joseph Charles Dettling: Exhaust inlet metallic foam trap coupled to a downstream monolithic precious metal catalyst. BASF Catalysts, Bronwen M Loeb, Drinker Biddle & Reath, Melanie L Brown, April 21, 2009: US07521033

The present invention is directed to an improved apparatus and method of minimizing catalyst poisoning from exhaust gas streams containing inorganic deposits and particulate matter. More specifically, the present invention is directed to an upstream metallic foam trap and a downstream monolithic pre ...