1
Zahra Nazarpoor, Stephen J Golden: Method for improving lean performance of PGM catalyst systems: synergized PGM. Clean Diesel Technologies, Barnes & Thornburg, Thomas J McWilliams, Edward F Behm Jr, September 30, 2014: US08845987 (23 worldwide citation)

Synergized Platinum Group Metals (SPGM) catalyst system for TWC application is disclosed. Disclosed SPGM catalyst system may include a washcoat with a Cu—Mn spinel structure and an overcoat that includes PGM supported on carrier material oxides, such as alumina. SPGM catalyst system shows significan ...


2
Zahra Nazarpoor: Methods for oxidation and two-way and three-way ZPGM catalyst systems and apparatus comprising same. Clean Diesel Technology, Barnes & Thornburg, Thomas J McWilliams, Edward F Behm Jr, October 14, 2014: US08858903 (17 worldwide citation)

Oxidation ZPGM catalyst systems and three way ZPGM catalyst systems are disclosed. ZPGM catalyst systems may oxidize toxic gases, such as carbon monoxide and hydrocarbons, optionally some ZPGM catalyst systems may as well reduce nitrogen oxides that may be included in exhaust gases. ZPGM catalyst sy ...


3
Zahra Nazarpoor, Stephen J Golden: Thermally stable compositions of OSM free of rare earth metals. Clean Diesel Technology, Barnes & Thornburg, Thomas J McWilliams, Edward F Behm Jr, October 7, 2014: US08853121 (17 worldwide citation)

The effect of aging temperature on oxygen storage materials (OSM) substantially free from platinum group (PGM) and rare earth (RE) metals is disclosed. Samples of ZPGM-ZRE metals OSM, hydrothermally aged at a plurality of high temperatures are found to have significantly high oxygen storage capacity ...


4
Zahra Nazarpoor: Process for elimination of hexavalent chromium compounds on metallic substrates within zero-PGM catalyst systems. Clean Diesel Technologies, Barnes & Thornburg, Thomas J McWilliams, Edward F Behm Jr, March 3, 2015: US08969228 (6 worldwide citation)

Systems and Methods for manufacturing ZPGM catalysts systems that may allow the prevention of formation or the conversion of corrosion causing compounds, such as hexavalent chromium compounds, within ZPGM catalyst systems are disclosed. ZPGM catalysts systems, may include metallic substrate, which m ...


5
Zahra Nazarpoor: System and method for two and three way mixed metal oxide ZPGM catalyst. Clean Diesel Technologies, Barnes & Thornburg, Edward F Behm Jr, Thomas J McWilliams, December 22, 2015: US09216408 (2 worldwide citation)

Disclosed here are material formulations of use in the conversion of exhaust gases, where the formulations may include Iron (Fe), Cobalt (Co), Manganese (Mn), Cerium (Ce), Lanthanum and combinations thereof.


6
Zahra Nazarpoor, Sen Kitazumi, Johnny T Ngo: Optimization of Zero-PGM washcoat and overcoat loadings on metallic substrate. Clean Diesel Technologies, Alston & Bird, January 17, 2017: US09545626 (1 worldwide citation)

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 substantial increase in conversion of HC and CO may be achieved by optimizing the total washcoat and overcoat loadings of ...


7
Zahra Nazarpoor, Stephen J Golden: Spinel compositions and applications thereof. Clean Diesel Technologies, Alston & Bird, December 6, 2016: US09511358 (1 worldwide citation)

Spinels having a general formula of AB2O4, where A and B are a transition metal but not the same transition metal are disclosed. Spinel and spinel compositions of the application are useful in various applications and methods as further described.


8
Zahra Nazarpoor, Stephen J Golden: System and methods for using synergized PGM as a three-way catalyst. Clean Diesel Technologies, Alston & Bird, December 6, 2016: US09511355 (1 worldwide citation)

Synergies resulting from combinations of catalyst systems including Copper-Manganese material compositions and PGM catalysts are disclosed. Variations of catalyst system configurations are tested to determine most effective material composition, formulation, and configuration for an optimal synergiz ...


9
Zahra Nazarpoor: Coating process of Zero-PGM catalysts and methods thereof. Clean Diesel Technologies, Barnes & Thornburg, Edward F Behm Jr, Thomas J McWilliams, January 5, 2016: US09227177 (1 worldwide citation)

Variations of coating processes of ZPGM catalyst materials for TWC applications are disclosed. The disclosed coating processes for ZPGM materials are enabled in the preparation of ZPGM catalyst samples according to a plurality of catalyst configurations, which may include washcoat and an overcoat la ...


10
Zahra Nazarpoor: Oxidation catalyst systems compositions and methods thereof. CLEAN DIESEL TECHNOLOGIES, Barnes & Thornburg, Thomas J McWilliams, Edward F Behm Jr, February 16, 2016: US09259716 (1 worldwide citation)

Compositions and methods for the preparation of ZPGM oxidation catalyst systems are disclosed. ZPGM catalyst systems may be employed within catalytic converters under lean hydrocarbon, air to fuel ratio condition to oxidize toxic gases, such as carbon monoxide and other hydrocarbons that may be incl ...