Patents/Assignees

Johnson Matthey Public Limited Company

86 patents in portfolio

US12194441utility2025
Zoned Ammonia Slip Catalyst for Improved Selectivity, Activity and Poison Tolerance
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US12162816utility2024
Method of Reducing Aromatic Nitro Compounds
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US12128392utility2024
Catalyst Gauze
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US12129778utility2024
System Comprising Vehicular Compression Ignition Engine and an Emissions Control Device Comprising an Electrically Heatable Element
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US12064727utility2024
Transition Metal/zeolite SCR Catalysts
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US12065393utility2024
Gold Containing Catalyst, Method of Preparation and Use
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US12042781utility2024
Surface-modified Ceria-zirconia Mixed Oxide Compound for Gasoline Exhaust
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US12042783utility2024
Surface-modified Alumina Compound for Gasoline Exhaust Gas Applications
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US12030042utility2024
Zeolite Synthesis with Alkaline Earth Metal
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US12025041utility2024
Catalytic Article and the Use Thereof for the Treatment of an Exhaust Gas
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US12011705utility2024
Method and Composition
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US11986802utility2024
Transition Metal Incorporated Alumina for Improved Three Way Catalysts
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US11980868utility2024
Method for the Treatment of an Exhaust Gas and an HVAC System
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US11980871utility2024
Catalyst Article for Exhaust System of Natural Gas Engine
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US11975908utility2024
Packaging Materials
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US11958040utility2024
Catalyst Preparation Method
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US11959408utility2024
Exhaust System for an Ammonia-burning Combustion Engine
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US11926527utility2024
Furnace Control Method
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US11904305utility2024
Catalytic Composition for Treating a Nox-containing Exhaust Gas
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US11883805utility2024
Catalytic Composition
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