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, John J Steger, Harold N Rabinowitz, John S Foong: Layered catalyst composite. Engelhard Corporation, Richard A Negin, July 20, 2004: US06764665 (71 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 simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides. The structure of the layered c ...


3
Shau Lin F Chen: SOx tolerant NOx trap catalysts and methods of making and using the same. Engelhard Corporation, Richard A Negin, August 17, 2004: US06777370 (59 worldwide citation)

The present invention relates to a layered catalyst composite useful for reducing contaminants in exhaust gas streams, especially gaseous streams containing sulfur oxide contaminants. More specifically, the present invention is concerned with improved catalysts of the type generally referred to as “ ...


4
Shau Lin F Chen, Harold Rabinowitz, Jin Sakakibara, Tian Luo: Layered catalyst composite. BASF Catalysts, Karen M Whitney, Diehl Servilla, Melanie L Brown, June 23, 2009: US07550124 (57 worldwide citation)

A layered, three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. In one or more embodiments, the catalyst comprises three layers in conjunction with a carrier: a first laye ...


5
Shau Lin F Chen, Harold Rabinowitz, Jin Sakakibara, Tian Luo: Layered catalyst composite. Basf Catalysts, Karen M Whitney, Diehl Servilla, Melanie L Brown, April 14, 2009: US07517510 (48 worldwide citation)

A layered, three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. In one or more embodiments, the catalyst comprises three layers in conjunction with a carrier: a first laye ...


6
Shiang Sung: Layered catalyst composite. Engelhard Corporation, September 7, 1999: US05948723 (46 worldwide citation)

A catalyst composition and 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 catalyst composition ...


7
Shau Lin F Chen, Harold Rabinowitz, Jin Sakakibara, Tian Luo, Michel Deeba: Layered catalyst composite. BASF Corporation, Karen M Whitney, Diehl Servilla, Melanie L Brown, July 20, 2010: US07758834 (44 worldwide citation)

A layered, three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed. In one or more embodiments, the catalyst comprises three layers in conjunction with a carrier: a first laye ...


8
Yuejin Li: Layered catalyst composite. Engelhard Corporation, Richard A Negin, April 4, 2006: US07022646 (37 worldwide citation)

A layered catalyst composite for controlling vehicular exhaust emissions is disclosed. The composite comprises a substrate such as cordierite, at least one bottom layer deposited on the substrate containing a precious metal component such as platinum and at least one NOx storage component present in ...


9
Shau Lin F Chen: Layered SOX tolerant NOX trap catalysts and methods of making and using the same. Engelhard Corporation, Richard A Negin, August 2, 2005: US06923945 (28 worldwide citation)

The present invention relates to a layered catalyst composite useful for reducing contaminants in exhaust gas streams, especially gaseous streams containing sulfur oxide contaminants. More specifically, the present invention is concerned with improved catalysts of the type generally referred to as “ ...


10
Hu Zhicheng, Wan Chung Zong, Lui Yiu Kwan, Dettling Joseph C: Layered catalyst composite. Engelhard, April 10, 1996: EP0705134-A1 (11 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 ...