Engelhard Corporation

Basf Corporation

Basf Catalysts LLC

Basf Se Corporation

Basf Mobile Emissions Catalysts LLC

Basf Qtech Inc.

Volvo Personvagnar Ab & Engelhard Corp.

Jeffrey Barmont Hoke

Ronald Marshall Heck

Fred Mitchell Allen

Mark Thomas Buelow

John Joseph Steger

Gerd Grubert

Patrick W Blosser

Torsten Neubauer

Terence Christopher Poles

Joseph Charles Dettling

Alfred Helmut Punke

John Kauffman

Ahmad Moini

Robert J Farrauto

Stanley Allen Roth

Shiang Sung

Marcus Hilgendorff

Xinyi Wei

Olga Gerlach

Zhicheng Hu

Torsten W Müller-Stach

Steven W Chin

David M Robinson

Nicholas R Leclerc

Terence C Pole

Michel Deeba

Yuejin Li

Kenneth Edwin Voss

Edward N Balko

Andreas Sundermann

Gary A Gramiccioni

Matthew P Larkin

Leonard M Quick

Alfred Punke

Robert E Whiteley

Pascaline Tran

Chung-Zong Wan

Xinsheng Liu

Xiaolin Yang

Gerald Steven Koermer

Attilio Siani

Christopher R Castellano

Michael Breen

Michael Durilla

Earl M Waterman

John S Foong

M Shahjahan Kazi

Oleg Ilinich

Lars Greger

Qingyuan Hu

Dennis Ray Anderson

Wayne M Rudy

Suphan Kovenklioglu

Sven Jare Lohmeier

Arthur Bruce Robertson

G&ouml;ran Wirmark

Torsten Wolfgang Mueller-Stach

Arne Tobias Niggebaum

Edward T Wolynic

Emre Emmez

Roy Venturina

James William Garner

Dieter Lischitzki

Donald Allan Craig

Apurva N Shah

Kenneth Charles Fisher

Ingemar Gottberg

L Michael Quick

John R Novak

Shlang Sung

Xiaolin David Yang

Torsten Müller-Stach

Torsten Muller-Stach

Alfred H Punke

W Torsten MÜLLER-Stach

Atilio Siani

John Joseph Kauffman

Earl Marvin Waterman

The present disclosure is directed to an emission treatment system for oxidation of hydrocarbons and carbon monoxide and for NOabatement in an exhaust stream of a lean burn engine, the emission treatment system including a low-temperature NOadsorber (LT-NA) that includes a molecular sieve impregnated with at least one PGM component positioned in fluid communication with the exhaust stream; and an oxidation catalyst that includes a refractory metal oxide support containing manganese impregnated with platinum positioned in fluid communication with the exhaust stream, each of the LT-NA and the oxidation catalyst being disposed on a substrate. The invention provides a catalyst article combining an oxidation catalyst with a LT-NA and a related method of treatment of an exhaust gas.

Coordinated emission control system including diesel oxidation catalyst and low temperature NOadsorber

The present invention relates a system for the treatment of an exhaust gas of a diesel combustion engine, said system comprising a specific NOx adsorber component, a diesel oxidation catalyst (DOC) component, a selective catalytic reduction (SCR) component, a gas heating component, and a reductant injector, wherein in said system, the specific NOx adsorber component is arranged upstream of the gas heating component, the reductant injector is arranged up-stream of the SCR component, the gas heating component is arranged upstream of the reductant injector, the DOC component is arranged upstream of the reductant injector, and the DOC component and the gas heating component are directly consecutive components. Further, the present invention relates a process for preparing such a system and use thereof.

Catalytic system for the treatment of an exhaust gas of a combustion engine

Disclosed in certain implementations is a catalysis composition that includes a metal catalyst and a support material impregnated with the metal catalyst.

High porosity metal oxide catalyst coatings

Described herein are coatings. The coatings can, for example, catalyze carbon gasification. In some examples, the coatings comprise: a first region having a first thickness, the first region comprising a manganese oxide, a chromium-manganese oxide, or a combination thereof; a second region having a second thickness, the second region comprising Ni, Fe, W, Cr, Co, Mn, Ti, Mo, V, Nb, Zr, Si, C, or a combination thereof; and an alkaline earth metal, an alkaline earth oxide, an alkaline earth carbonate, an alkaline earth silicate, molybdemun, a molybdenum oxide, a molybdenum carbide, a mixed-metal perovskite, a mixed metal inorganic oxide, or a combination thereof.

Catalytic coatings, methods of making and use thereof

The present disclosure generally provides an emission treatment system for at least partial conversion of gaseous CO emissions. The exhaust gas treatment system includes various components such as a first catalyst component selected from a LNT or an oxidation catalyst for the abatement of HC and CO, which contains a catalyst composition such as a platinum group metal component impregnated into a refractory oxide material. Another component in the exhaust gas treatment system is an SCR catalyst for the abatement of NOx, which contains a catalyst composition such as a metal ion-exchanged molecular sieve and can be optionally absent when the first catalyst component is an LNT. A second oxidation catalyst for further abatement of CO is also part of the emission treatment system and includes a third catalyst composition selected from a platinum group metal component, a base metal oxide component, or combinations thereof disposed onto a carrier substrate.

Zoned configuration for oxidation catalyst combinations

Catalyst coatings incorporating binder compositions

An oxidation catalyst composite, methods and systems for the treatment of exhaust gas emissions from an advanced combustion engine, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO) and the reduction of nitrogen oxides (NOx) from a diesel engine and an advanced combustion diesel engine are disclosed. More particularly, washcoat compositions are disclosed comprising at least two washcoat layers, a first washcoat comprising a palladium component and a first support containing cerium and a second washcoat containing platinum and one or more molecular sieves.

Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems

Described are catalyst compositions, catalytic articles, methods of manufacturing catalytic articles and exhaust gas treatment systems and methods that utilize the catalytic articles. The catalytic articles include a washcoat of platinum group metal on refractory oxide support particles, and further including a molecular sieve wherein greater than 90% of the molecular sieve particles have a particle size greater than 1 &#x3bc;m.

Catalyst compositions, catalytic articles, systems and processes using large particle molecular sieves

A catalyst material for the oxidation of NO comprising a catalyst carrier including a ceria-alumina support having platinum and optionally palladium dispersed on the support is described. When palladium is present, the ratio of platinum to palladium by weight is at least 1:1. The amount of ceria in the support is in the range of 1% to 12% by weight. The catalyst material is useful for methods and systems of abating pollutants from automotive exhaust gas from lean burn engines.

Catalyst materials for NO oxidation

The present invention relates to a layered diesel oxidation catalyst (DOC) comprising: a) a carrier substrate; b) a diesel oxidation catalytic material comprising b1) a first layer located on the carrier substrate, the first layer comprising palladium impregnated on a support material comprising ceria in an amount of at least 45 weight-% based on the total weight of the support material, and optionally comprising platinum; b2) a second layer located on the first layer, the second layer comprising palladium and platinum each impregnated on a support material comprising a metal oxide; wherein the platinum to palladium weight ratio of the first layer is lower than the platinum to palladium weight ratio of the second layer.

Diesel oxidation catalyst with layered structure containing ceria composition as palladium support material for enhanced HC and CO gas conversion

Described are catalyst compositions, catalytic articles, exhaust gas treatment systems and methods that utilize the catalytic articles. The catalyst composition comprises a washcoat including a zeolite, refractory metal oxide support particles, and a platinum group metal supported on the refractory metal oxide support particles. Greater than 90% of the refractory metal oxide particles supporting PGM have a particle size greater than 1 &#x3bc;m and a dless than 40 microns.

Catalyst compositions, articles, methods and systems

The present invention relates to a diesel oxidation catalyst comprising a carrier substrate, and a first washcoat layer disposed on the substrate, the first washcoat layer comprising palladium supported on a support material comprising a metal oxide, gold supported on a support material comprising a metal oxide, and a ceria comprising compound, as well as a process for the preparation of such catalyst.

Diesel oxidation catalyst comprising palladium, gold and ceria

Described are catalyst compositions, catalytic articles, methods of manufacturing catalytic articles and exhaust gas treatment systems and methods that utilize the catalytic articles. The catalyst composition comprises an oxidation catalyst comprising a washcoat layer including a platinum group metal supported on a refractory metal oxide support and porous molecular sieve particles having internal pores, the molecular sieve particles protected by a protecting material selected from an organic wax encapsulating the molecular sieve particles, a polymer encapsulating the molecular sieve particles, an inorganic oxide deposited on the surface of the molecular sieve particles, or an organic compound filling the internal pores of the molecular sieve particles, wherein the protecting material prevents interaction of the molecular sieve particles with the platinum group metal.

Catalyst compositions, catalytic articles, systems and processes using protected molecular sieves

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North Brunswick, NJ, United States of America

Jeffrey Barmont Hoke