1
Gerd Grubert, Torsten Neubauer, Alfred H Punke, Torsten W Müller Stach, Attilio Siani, Stanley A Roth, Jeffrey B Hoke, Shiang Sung, Yuejin Li, Xinyi Wei, Michel Deeba: Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion. BASF Corporation, Melanie L Brown, July 3, 2012: US08211392 (64 worldwide citation)

Provided is a catalyst composition, in particular a diesel oxidation catalyst, for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO). More particularly, the present invention is directed to a catalyst structure comprising at least t ...


2
Stanley A Roth, Joseph C Dettling, Mahmoud Yassine: System for reducing NOx transient emission. Engelhard Corporation, Richard A Negin, September 10, 2002: US06446430 (53 worldwide citation)

A catalyst reduction system using diesel fuel as a reductant for vehicles equipped with diesel engines reduces NOx transient emissions produced during acceleration. Impending engine accelerations are sensed to produce metered pulse(s) of fuel oil simultaneously with and preferably in advance of, the ...


3
Stanley A Roth, Joseph C Dettling, Mahmoud Yassine: System for reducing NOx transient emission. Engelhard Corporation, Richard A Negin, November 6, 2001: US06311484 (40 worldwide citation)

A catalyst reduction system using diesel fuel as a reductant for vehicles equipped with diesel engines reduces NOx transient emissions produced during acceleration. Impending engine accelerations are sensed to produce metered pulse(s) of fuel oil simultaneously with and preferably in advance of, the ...


4
Matthew T Caudle, Martin Deiterle, Stanley A Roth, Wen Mei Xue: Bifunctional catalysts for selective ammonia oxidation. Basf Corporation, Scott S Servilla, Diehl Servilla, Melanie L Brown, May 25, 2010: US07722845 (13 worldwide citation)

Catalysts, methods, and systems for treating diesel engine exhaust streams are described. In one or more embodiments, the catalyst comprises platinum, a second metal from one of the groups VB, VIB, VIIB, VIIIB, IB, or IIB of the periodic table, a refractory metal oxide, and a zeolite, the oxidation ...


5
Yuejin Li, Stanley A Roth: Catalytic articles, systems and methods for the oxidation of nitric oxide. BASF Corporation, Melanie L Brown, March 25, 2014: US08679434 (12 worldwide citation)

Described is a catalytic article for the treatment of lean burn engine exhaust gas. The catalytic article comprises a honeycomb substrate having disposed thereon a washcoat containing one or more calcined platinum group metal components dispersed on a refractory metal oxide support located on the ho ...


6
M Shahjahan Kazi, Michel Deeba, Torsten Neubauer, Alfred Helmut Punke, Torsten Wolfgang Mueller Stach, Gerd Grubert, Stanley A Roth, Jeffrey Barmont Hoke, Shlang Sung, Yuejin Li, Xinyi Wei, Chung Zong Wan: Layered diesel oxidation catalyst composites. BASF Corporation, Melanie L Brown, December 11, 2012: US08329607 (11 worldwide citation)

Provided are diesel exhaust components where palladium is segregated from a molecular sieve, specifically a zeolite, in a catalytic material. In the catalytic material, therefore, there are at least two layers: a palladium-containing layer that is substantially free of a molecular sieve and a hydroc ...


7
Yuejin Li, Michel Deeba, Joseph C Dettling, Joseph A Patchett, Stanley A Roth: Emission treatment system with NSR and SCR catalysts. BASF Corporation, Scott S Servilla, Diehl Servilla, Melanie L Brown, April 5, 2011: US07919051 (10 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 ...


8
Shiang Sung, Stanley A Roth, Torsten W Mueller Stach, Attilio Siani: Diesel oxidation catalysts, systems and methods of treatment. BASF Corporation, Melanie L Brown, May 28, 2013: US08449852 (7 worldwide citation)

Diesel oxidation catalysts comprising a first washcoat layer including a platinum group metal impregnated on a promoted non-zeolitic support are described. The promoter is one or more of tin, manganese, indium, group VIII metals. Methods of making and using the diesel oxidation catalyst, including e ...


9
Xinyi Wei, Stanley A Roth: Diesel oxidation catalyst articles and methods of making and using. Basf Corporation, Melanie L Brown, March 11, 2014: US08668877 (7 worldwide citation)

Diesel oxidation catalysts, catalytic articles, methods of making catalytic articles, emissions treatment systems and methods of treating an exhaust gas stream using the catalytic articles for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC) and carbon mono ...


10
Shiang Sung, Stanley A Roth, Claudia Wendt, Susanne Stiebels, Helke Doering: Diesel oxidation catalyst composites. BASF Corporation, Melanie L Brown, October 29, 2013: US08568674 (5 worldwide citation)

Oxidation catalyst composites for the treatment of exhaust gas emissions, such as the abatement of unburned hydrocarbons (HC), and carbon monoxide (CO) and the oxidation of NO to NO2 are disclosed The catalyst composites comprise two washcoat layers containing two different compositions of platinum ...