Automotive catalyst composites having a two-metal layer

M Arnold, S Kotrel, A Siani, S Siemund… - US Patent …, 2016 - Google Patents
Provided are catalyst composites whose catalytic material is effective to substantially
simultaneously oxidize carbon monoxide and hydrocarbons and reduce nitrogen oxides …

Spinel compositions and applications thereof

Z Nazarpoor, SJ Golden - US Patent 9,511,358, 2016 - Google Patents
BOI 29/068(2006.01) BOI. 23/63(2006.01) BOI. 23/62(2006.01) BOI. 23/56(2006.01) BOI.
23/00(2006.01) BOI. 23/34(2006.01) BOI. 23/72(2006.01) BOLD 53/94(2006.01) BOI …

Three-way catalyst and its use in exhaust systems

HL Chang, HY Chen - US Patent 9,656,209, 2017 - Google Patents
(57) ABSTRACT A three-way catalyst is disclosed. The three-way catalyst comprises a
palladium component comprising palladium and a ceria-Zirconia-alumina mixed or …

Three-way catalyst systems including Fe-activated Rh and Ba-Pd material compositions

RL Hatfield, EJ Lee, JT Ngo, SJ Golden - US Patent 9,475,005, 2016 - Google Patents
Three way catalysts (TWCs) for catalyst systems are dis closed. The disclosed TWC systems
include Iron (Fe)-activated Rhodium (Rh) and Barium (Ba)-Palladium (Pd) layers capable of …

Rhodium-iron catalysts

RL Hatfield, SJ Golden, JT Ngo - US Patent 9,475,004, 2016 - Google Patents
The present disclosure describes rhodium iron catalysts of use in catalyst systems.
Disclosed here are TWCs configured to include a substrate and one or more of a washcoat …

System and methods for using synergized PGM as a three-way catalyst

Z Nazarpoor, SJ Golden - US Patent 9,511,355, 2016 - Google Patents
Synergies resulting from combinations of catalyst systems including Copper-Manganese
material compositions and PGM catalysts are disclosed. Variations of catalyst system …

Three-way catalytic converter

J Schoenhaber, J Despres, JM Richter… - US Patent …, 2018 - Google Patents
The present invention relates to a three-way catalytic converter for reducing harmful exhaust
components of gasoline-powered internal combustion engines, and to a corresponding …

ZPGM TWC Systems Compositions and Methods Thereof

Z Nazarpoor - US Patent App. 13/849,191, 2014 - Google Patents
The present disclosure includes compositions and methods for the preparation of Zero
Platinum Group Metal (ZPGM) TWC systems that may be employed to oxidize carbon …

Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate

Z Nazarpoor, S Kitazumi, JT Ngo - US Patent 9,545,626, 2017 - Google Patents
The present disclosure refers to a plurality of process employed for optimization of Zero-
PGM washcoat and overcoat loadings on metallic substrates. According to an embodiment a …

Base metal activated rhodium coatings for catalysts in three-way catalyst (TWC) applications

RL Hatfield, SJ Golden, JT Ngo - US Patent 9,579,604, 2017 - Google Patents
Close-coupled catalysts (CCC) for TWC applications are disclosed. The novel CCCs are
implemented using light weighted ceramic Substrates in which a thin coating employ ing a …