1
Zhicheng Hu, Chung Zong Wan, Yiu Kwan Lui, Joseph C Dettling: Layered catalyst composite. Engelhard Corporation, R A Negin, January 28, 1997: US05597771 (131 worldwide citation)

The present invention relates to a layered catalyst composite of the type generally referred to as a three-way conversion catalyst having the capability of substantially simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides. The structure of ...


2
Michel Deeba, Yiu Kwan Lui, Joseph C Dettling: Four-way diesel exhaust catalyst and method of use. Engelhard Corporation, Richard A Negin, July 25, 2000: US06093378 (99 worldwide citation)

A catalyst composition and structure containing the same and methods for treating diesel exhaust including a catalyst comprising a precious metal on a support, a first zeolite component in the presence of a precious metal and a second zeolite component comprising a zeolite and a precious metal, and ...


3
Kenneth E Voss, Joseph C Dettling, Stanley Roth, Ramesh Kakwani, Yiu Kwan Lui, Alexander Gorel, Gary W Rice: Diesel oxidation catalyst. Engelhard Corporation, Richard A Negin, July 18, 2006: US07078004 (38 worldwide citation)

The present invention relates to a method and article for treating a diesel engine exhaust stream. The stream is contacted with an upstream catalytic composition having a cerium component and/or a zeolite component to reduce the quantity and amount of the particulate matter in the exhaust stream. Th ...


4
Joseph C Dettling, Yiu Kwan Lui: Palladium containing ceria-supported platinum catalyst and catalyst assembly including the same. Engelhard Corporation, July 7, 1992: US05128306 (38 worldwide citation)

A catalyst composition includes a catalytic material containing a platinum catalytic component dispersed on a bulk ceria and a palladium catalytic component; the palladium catalytic component may be dispersed either on the ceria or on another support, such as an activated alumina support. The cataly ...


5
Alfred Helmut Punke, Torsten Wolfgang Mueller, Michel Deeba, Kenneth Edwin Voss, John Joseph Steger, Yiu Kwan Lui: Pressure-balanced, catalyzed soot filter. BASF Catalysts, Scott S Servilla, Diehl Servilla, Melanie L Brown, May 25, 2010: US07722829 (31 worldwide citation)

The invention provides a catalyzed soot filter formed on a wall flow substrate having internal walls coated with catalyst compositions. The soot filter maintains a homogeneous flow of the exhaust gases through the internal walls of the substrate along the length of the filter due to the coating desi ...


6
Antonio E Eleazar, Ronald M Heck, Joseph C Dettling, Yiu Kwan Lui: Skeletal isomerization of n-alkenes. Engelhard Corporation, February 21, 1984: US04433191 (1 worldwide citation)

A novel process for the efficient, selective and steady conversion of n-alkenes, such as n-butylenes, to their skeletal isomers is disclosed. Catalysts and catalytic conditions are also disclosed.


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Kenneth E Voss, Stanley Roth, Joseph C Dettling, Gary W Rice, Yiu Kwan Lui, Mahmoud Yassine: Catalyst and method for reducing exhaust gas emissions. Engelhard Corporation, Chief Patent Counsel, Engelhard Corporation, November 4, 2004: US20040219077-A1

An apparatus useful to treat exhaust gas stream, including diesel engine exhaust. The exhaust stream passes form and exhaust outlet to a catalyzed filter in communication with the exhaust outlet. The catalyzed filter comprises a first catalyst which comprises a first platinum group metal; a first ce ...


9
Kenneth E Voss, Joseph C Dettling, Stanley Roth, Ramesh Kakwani, Yiu Kwan Lui, Alexander Gorel, Gary W Rice: Diesel oxidation catalyst. Engelhard Corporation, Chief Patent Counsel, Engelhard Corporation, June 12, 2003: US20030108465-A1

The present invention relates to a method and article for treating a diesel engine exhaust stream. The stream is contacted with an upstream catalytic composition having a cerium component and/or a zeolite component to reduce the quantity and amount of the particulate matter in the exhaust stream. Th ...


10
Kenneth E Voss, Stanley Roth, Joseph C Dettling, Gary W Rice, Yiu Kwan Lui, Mahmoud Yassine: Catalyst and method for reducing exhaust gas emissions. Engelhard Corporation, Chief Patent Counsel, Engelhard Corporation, July 3, 2003: US20030124037-A1

An apparatus useful to treat exhaust gas stream, including diesel engine exhaust. The exhaust stream passes form and exhaust outlet to a catalyzed filter in communication with the exhaust outlet. The catalyzed filter comprises a first catalyst which comprises a first platinum group metal; a first ce ...