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
Chung Zong Wan, Joseph C Dettling: Aluminum-stabilized ceria catalyst compositions, and methods of making the same. Engelhard Corporation, December 22, 1987: US04714694 (102 worldwide citation)

A catalyst material comprises an aluminum-stabilized ceria which optionally may be combined with an activated alumina and may also comprise one or more platinum group metal catalytic components. A method of making the material includes impregnating bulk ceria or a bulk ceria precursor with an alumin ...


3
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 ...


4
Joseph C Dettling, John J Mooney, Robert M Skomoroski, Saul G Hindin: Monolithic catalyst member and support therefor. Engelhard Corporation, V E Libert, June 15, 1982: US04335023 (89 worldwide citation)

A catalytic promoting material is supported on a monolithic support member, of the type generally referred to as a "honeycomb" support, having longitudinal fluid flow channels extending through it. The catalytically promoting material is dispersed as a coating on the walls of the fluid flow channels ...


5
Shiang Sung, John J Steger, Joseph C Dettling, Patrick L Burk: Fuel modification method and apparatus for reduction of pollutants emitted from internal combustion engines. Engelhard Corporation, October 25, 1994: US05357908 (84 worldwide citation)

A method for controlling exhaust gas emissions from an engine (16) includes extracting a light distillate fuel (Fd) from conventional gasoline or other liquid hydrocarbon fuel and supplying the engine with the light distillate fuel during an initial operation period of the engine. This reduces the o ...


6
Saul G Hindin, Joseph C Dettling: Rare earth containing catalyst composition. Engelhard Minerals & Chemicals Corporation, November 23, 1976: US03993572 (83 worldwide citation)

Catalysts suitable for promoting selected oxidation and reduction reactions; especially for eliminating or substantially reducing pollutants in waste gas streams such as automobile exhaust, or nitric acid plant tail gas, are described, as are processes for their preparation and use. The catalysts co ...


7
Joseph C Dettling, Robert Skomoroski: Catalyzed diesel exhaust particulate filter. Engelhard Corporation, March 31, 1992: US05100632 (81 worldwide citation)

A self-cleaning diesel exhaust particulate filter is disclosed wherein burn-off of collected particulate matter is accomplished at certain exhaust gas temperatures, the filter being provided with a catalyst mixture consisting essentially of a platinum group metal and an alkaline earth metal oxide. T ...


8
Tilman W Beutel, Joseph C Dettling, Dustin O Hollobaugh, Torsten W Mueler Stach: Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function. BASF Corporation, Scott S Servilla, Diehl Servilla, Melanie L Brown, January 25, 2011: US07875573 (79 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 ...


9
Chung Zong Wan, Joseph C Dettling: Catalyst compositions and methods of making the same. Engelhard Corporation, February 23, 1988: US04727052 (70 worldwide citation)

A method of making a catalyst composition comprising an activated alumina coating stabilized against thermal degradation includes applying a coating of alumina having one or more platinum group metal catalytic components dispersed thereon onto a carrier substrate and calcining the coating. The calci ...


10
Michael P Galligan, Joseph C Dettling: Layered catalyst composition. Engelhard Corporation, June 6, 1995: US05422331 (64 worldwide citation)

A catalyst composition contains a catalytic material having having an undercoat layer containing a mixture of a fine particulate undercoat refractory metal oxide and a sol such as a silica sol, the undercoat providing good adherence to substrates, such as metal substrates, on which the catalytic mat ...