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Class Information
Number: 502/527.12
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Plural layers on a support, each layer having a distinct function
Description: Collection of art disclosing a support having plural layers thereon, wherein each layer has a distinct function.










Sub-classes under this class:

Class Number Class Name Patents
502/527.13 More than two overlapping layers 126


Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8673809 Low level noble metal-supporting three-way catalyst Mar. 18, 2014
8667785 Catalysed substrate monolith Mar. 11, 2014
8668891 Exhaust system for a lean-burn IC engine comprising a PGM component and a SCR catalyst Mar. 11, 2014
RE44802 Cerium-zirconium composite metal oxide Mar. 11, 2014
8663588 Three way catalyst Mar. 4, 2014
8652429 Oxidation catalyst for internal combustion engine exhaust gas treatment Feb. 18, 2014
8640440 Removal of particulates from the exhaust gas of internal combustion engines operated with a predominantly stoichiometric air/fuel mixture Feb. 4, 2014
8636959 Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same Jan. 28, 2014
8617496 Three way conversion catalyst with alumina-free rhodium layer Dec. 31, 2013
8609578 Exhaust gas purifying catalyst Dec. 17, 2013
8603940 Automobile exhaust gas catalytic converter Dec. 10, 2013
8580706 Exhaust gas-purifying catalyst Nov. 12, 2013
8568674 Diesel oxidation catalyst composites Oct. 29, 2013
8568675 Palladium-supported catalyst composites Oct. 29, 2013
8557203 Architectural diesel oxidation catalyst for enhanced NO.sub.2 generator Oct. 15, 2013
8557204 Three-way catalyst having an upstream single-layer catalyst Oct. 15, 2013
8551908 Exhaust gas purification catalyst Oct. 8, 2013
8544261 Exhaust gas purification catalyst and exhaust gas purification apparatus using the exhaust gas purification catalyst Oct. 1, 2013
8546296 Exhaust gas-purifying catalyst, powdery material, and method of manufacturing exhaust gas-purifying catalyst Oct. 1, 2013
8530374 Catalyst body for production of brush-shaped carbon nanostructure Sep. 10, 2013
8524181 Sensor-integrated device Sep. 3, 2013
8524182 Catalyzed soot filter with layered design Sep. 3, 2013
8513155 Perovskite-type compounds for use in lean NO.sub.x traps Aug. 20, 2013
8501133 Catalyst for treating exhaust gases, method for producing the same, and method for treating exhaust gases Aug. 6, 2013
8496899 Exhaust gas purifying catalyst Jul. 30, 2013
8491860 Methods and systems for an engine emission control system Jul. 23, 2013
8475752 NOx adsorber catalyst with superior low temperature performance Jul. 2, 2013
8461074 Coated catalysts comprising a multimetal oxide comprising molybdenum Jun. 11, 2013
8454917 Nitrogen oxide storage catalytic converter for use in a motor vehicle in a close-coupled position Jun. 4, 2013
8455390 Exhaust gas purifying catalyst Jun. 4, 2013
8449852 Diesel oxidation catalysts, systems and methods of treatment May. 28, 2013
8409518 Sulfur tolerant perovskite supported catalysts Apr. 2, 2013
8404202 Urea-resistant catalytic units and methods of using the same Mar. 26, 2013
8394348 Three-way catalyst having a upstream multi-layer catalyst Mar. 12, 2013
8337791 Exhaust gas purification catalyst, exhaust gas purification apparatus using the same and exhaust gas purification method Dec. 25, 2012
8323599 Three-way catalyst having an upstream multi-layer catalyst Dec. 4, 2012
8318629 Platinum group metal-free catalysts for reducing the ignition temperature of particulates on a diesel particulate filter Nov. 27, 2012
8318632 Exhaust gas purification catalyst Nov. 27, 2012
8309488 Exhaust gas purifying catalyst Nov. 13, 2012
8304366 System for remediating emissions and method of use Nov. 6, 2012
8273681 Exhaust gas purifying catalyst and method for manufacturing the same Sep. 25, 2012
8258075 Catalyst for treating exhaust gases, method for producing the same, and method for treating exhaust gases Sep. 4, 2012
8252258 Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion Aug. 28, 2012
8246923 High Pd content diesel oxidation catalysts with improved hydrothermal durability Aug. 21, 2012
8241725 Honeycomb segment, honeycomb structure and process for producing the same Aug. 14, 2012
8221688 Exhaust gas purification device for internal combustion engine Jul. 17, 2012
8211824 Exhaust gas purification catalyst Jul. 3, 2012
8211818 Honeycomb structural body Jul. 3, 2012
8211392 Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion Jul. 3, 2012
8202483 Catalyst-supported particulate filter Jun. 19, 2012

1 2 3 4 5










 
 
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