1
Shau Lin Franklin Chen, Knut Wassermann, Jin Sakakibara: Phosgard, a new way to improve poison resistance in three-way catalyst applications. BASF Corporation, Bronwen M Loeb, Drinker Biddle & Reath, July 6, 2010: US07749472 (48 worldwide citation)

The present invention provides for novel poisoning-resistant catalysts used for automobile exhaust gas treatment systems. To alleviate the detrimental affects of engine oil and/or fuel additive poisoning the present invention provides for an overcoat layer comprising a porous refractory oxide and on ...


2
Shau Lin Franklin Chen, Zhicheng Hu: Exhaust gas treatment catalyst. BASF Catalysts, Melanie L Brown, Brian W Stegman, Scott S Serrilla, May 20, 2008: US07374729 (47 worldwide citation)

Provided are an exhaust treatment catalyst and an exhaust article containing the catalyst. The catalyst comprises: (a) a carrier; (b) a first layer deposited on the carrier, said first layer comprising substantially only at least one refractive metal oxide; (c) a second layer deposited on the first ...


3
Shau Lin Franklin Chen, Jin Sakakibara, Tian Luo, Harold Rabinowitz: Multilayered catalyst compositions. BASF Corporation, Karen M Whitney, Diehl Servilla, Melanie L Brown, August 30, 2011: US08007750 (22 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. Methods of making and using the same are also provided. In one or more embodiments, the catalyst comprises ...


4
Shau Lin Franklin Chen, Zhicheng Hu: Exhaust gas treatment catalyst. BASF Catalysts, Scott S Servilla, Diehl Servilla, Melanie L Brown, March 10, 2009: US07501098 (16 worldwide citation)

Provided are an exhaust treatment catalyst and an exhaust article containing the catalyst. The catalyst comprises a carrier; a first layer deposited on the carrier, said first layer comprising substantially only at least one refractory metal oxide; a second layer deposited on the first layer, said s ...


5
Shau Lin Franklin Chen: High phosphorous poisoning resistant catalysts for treating automobile exhaust. BASF Catalysts, Scott S Servilla, Diehl Servilla, Melanie L Brown, March 16, 2010: US07678347 (11 worldwide citation)

The present invention discloses novel catalysts for treating automobile exhaust that have increased resistance to poisoning from oil- and/or fuel-derived additives. In the catalysts of this invention, the catalytic materials are not coated onto a front-end poison capture zone of the support that car ...


6
Shau Lin Franklin Chen: High phosphorous poisoning resistant catalysts for treating automobile exhaust. Attn Chief Patent Counsel, Engelhard Corporation, January 18, 2007: US20070014705-A1

The present invention discloses novel catalysts for treating automobile exhaust that have increased resistance to poisoning from oil- and/or fuel-derived additives. In the catalysts of this invention, the catalytic materials are not coated onto a front-end poison capture zone of the support that car ...


7
Shau Lin Franklin Chen, Knut Wassermann, Jin Sakakibara: Phosgard, a new way to improve poison resistance in three-way catalyst applications. Chief Patent Counsel, BASF Catalysts, February 14, 2008: US20080038172-A1

The present invention provides for novel poisoning-resistant catalysts used for automobile exhaust gas treatment systems. To alleviate the detrimental affects of engine oil and/or fuel additive poisoning the present invention provides for an overcoat layer comprising a porous refractory oxide and on ...


8
Shau Lin Franklin Chen, Harold N Rabinowitz, Jin Sakakibara, Tian Luo: Layered catalyst composite. Basf Catalysts, February 21, 2008: US20080044330-A1

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 ...


9
Shau Lin Franklin Chen, Zhicheng Hu: Exhaust Gas Treatment Catalyst. Basf Catalysts, September 18, 2008: US20080226514-A1

Provided are an exhaust treatment catalyst and an exhaust article containing the catalyst. The catalyst comprises a carrier; a first layer deposited on the carrier, said first layer comprising substantially only at least one refractory metal oxide; a second layer deposited on the first layer, said s ...


10
Shau Lin Franklin Chen: Layered SOx tolerant NOx trap catalysts and methods of making and using the same. Engelhard Corporation, Chief Patent Counsel, Engelhard Corporation, July 28, 2005: US20050164879-A1

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 “ ...