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Patents Grants
last 30 patents
Information
Patent Grant
Surface-modified ceria-zirconia mixed oxide compound for gasoline e...
Patent number
12,042,781
Issue date
Jul 23, 2024
Johnson Matthey Public Limited Company
Qinghe Zheng
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Active perovskite-type catalysts stable to high temperature aging f...
Patent number
11,439,983
Issue date
Sep 13, 2022
Johnson Matthey Public Limited Company
Shuhei Nagaoka
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Manganese oxide-lanthanum manganate-PGM composites for TWC applicat...
Patent number
11,364,484
Issue date
Jun 21, 2022
Johnson Matthey Public Limited Company
Janet Fisher
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Exhaust gas treatment system and the use thereof for the treatment...
Patent number
11,187,126
Issue date
Nov 30, 2021
Johnson Matthey Public Limited Company
John Kilmartin
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
SURFACE-MODIFIED CERIA-ZIRCONIA MIXED OXIDE COMPOUND FOR GASOLINE E...
Publication number
20230241585
Publication date
Aug 3, 2023
Johnson Matthey Public Limited Company
Qinghe ZHENG
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS
Publication number
20230070493
Publication date
Mar 9, 2023
Johnson Matthey Public Limited Company
Paul MILLINGTON
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
MANGANESE OXIDE-LANTHANUM MANGANATE-PGM COMPOSITES FOR TWC APPLICAT...
Publication number
20200316568
Publication date
Oct 8, 2020
Johnson Matthey Public Limited Company
Janet Fisher
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ACTIVE PEROVSKITE-TYPE CATALYSTS STABLE TO HIGH TEMPERATURE AGING F...
Publication number
20200306730
Publication date
Oct 1, 2020
Johnson Matthey Public Limited Company
Shuhei Nagaoka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
EXHAUST GAS TREATMENT SYSTEM AND THE USE THEREOF FOR THE TREATMENT...
Publication number
20200309007
Publication date
Oct 1, 2020
Johnson Matthey Public Limited Company
John KILMARTIN
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS