Johnson Matthey Public Limited Company

United Kingdom


 
Total IP 1,842
Total IP incl. subs 3,150 (+ 1,330 for subs)
Total IP Rank # 711
IP Activity Score 3.7/5.0    954
IP Activity Rank # 767
IP AS incl. subs 3.6/5.0    1,702
Stock Symbol
ISIN GB00BZ4BQC70
Market Cap. 2.4B  (GBX)
Dominant Nice Class Chemical and biological material...

Patents

Trademarks

598 21
56 27
1,045 34
61
 
Last Patent 2025 - Ammonia slip catalyst
First Patent 1977 - Compositions containing platinum
Last Trademark 2025 - COMPACTLHP
First Trademark 1972 - FORMOX

Subsidiaries

13 subsidiaries with IP (992 patents, 338 trademarks)

9 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 G/S Exhaust gas pollution control systems comprised of emission reduction catalysts, catalytic articl...
Invention Low pgm loaded diesel oxidation catalyst for exotherm generation. A diesel oxidation catalyst com...
2024 Invention Ammonia slip catalyst. The present invention relates to an ammonia slip catalyst article comprisi...
Invention Catalyst for treating exhaust gas. Catalyst compositions and methods of preparation comprising: ...
Invention High transition metal loading for ammonia slip catalyst. A catalyst comprising a first catalyst c...
Invention Dual-filter exhaust gas treatment system. The present invention relates to an exhaust-gas treatme...
Invention Catalytic partial wall-flow filter. A catalytic partial wall-flow filter suitable for use in an e...
Invention Catalytic partial wall-flow filter. A catalytic partial wall-flow filter suitable for use in an ...
Invention Recycling of waste catalyst coated membrane components. A method of recycling a waste ionomer mat...
Invention Recycling of catalyst coated membrane components. A method of recycling a waste ionomer material ...
Invention Complex and process. The present invention relates to the field of organic chemistry, specificall...
Invention Acid condensation catalysts. The specification describes an acid condensation catalyst comprisin...
Invention Zirconia support for heterogeneous catalysts. 22NH3NH3 / m2; and the support has a basic site den...
Invention Zirconia support for heterogeneous catalysts. The specification describes a zirconia support com...
Invention Hydrodeoxygenation catalysts. The specification describes a catalyst for the hydrodeoxygenation ...
Invention Acid condensation catalysts. The specification describes an acid condensation catalyst comprising...
Invention Hydrodeoxygenation catalysts. The specification describes a catalyst for the hydrodeoxygenation o...
Invention Oxidation catalyst for treating emissions from an internal combustion engine run on hydrogen fuel...
Invention Close-coupled scr system. A system for treating exhaust gases from a combustion engine and a met...
Invention Method of coating a catalyst on flat or textured substrates. According to the invention there is ...
Invention Method of coating a catalyst on flat or textured substrates. According to the invention there is...
Invention Method of treating an iridium containing effluent stream. METHOD OF TREATING AN IRIDIUM CONTAININ...
Invention Catalyst preparation. A method for producing a catalyst precursor suitable for methanation reacti...
Invention Metal promoted palladium and/or platinum-containing catalysts for gasoline engine exhaust gas tre...
Invention Decarbonisation of a chemical plant. The specification describes a chemical plant comprising an o...
Invention Recycling of catalyst coated membrane components. A method of recycling a waste catalyst coated m...
Invention Catalyst system. The present invention provides a catalyst system for treatment of an exhaust gas...
Invention Recycling of waste solid ionomer components. A method of forming an ionomer blend during a proces...
Invention Treatment of particulate filters. A method and apparatus (1) for applying a dry powder to a poro...
Invention Treatment of particulate filters. A method and apparatus for applying a dry powder to a porous s...
Invention Treatment of particulate filters. A method and apparatus for applying a dry powder to a porous su...
Invention Treatment of particulate filters. A method and apparatus (1) for applying a dry powder to a porou...
Invention Method of backpressure testing manufactured parts. According to various aspects of this disclosur...
Invention Method for the manufacture of a catalytic filter. A method for the manufacture of a catalytic fil...
Invention Continuous methods for preparing microsphere titania catalyst supports and catalysts with said su...
Invention Process for producing a synthesis gas. A process for producing a synthesis gas, comprising the st...
Invention Method of recycling waste ionomer membrane. A method of recycling a waste ionomer membrane compri...
Invention A method of refining and recycling iridium. A method of refining/recycling iridium, the method co...
Invention Recycling of solid ionomer components. A method of recycling a solid ionomer material contaminate...
G/S Catalysts; heterogeneous catalysts; catalysts for fine chemical transformations; catalysts for h...
G/S Apparatus for the production of synthesis gas; reactors for the production of synthesis gas; comb...
G/S Apparatus for the production of synthesis gas; industrial chemical reactors for the production of...
G/S Platinum plating salts; platinum plating bath concentrates
G/S Reactors for chemical transformations; fired reactors for chemical transformations; chemical rea...
G/S Recycling or refining of catalyst coated membrane components including those used in fuel cells o...
G/S Recycling or refining of catalyst coated membrane components including those used in fuel cells ...
2023 Invention Catalytic wall-flow filter. A catalytic wall-flow monolith filter for use in an emission treatmen...
G/S Catalysts; homogeneous catalysts; cross-coupling catalysts; catalysts for fine chemical transform...
G/S exhaust gas pollution control systems comprised of emission reduction catalysts and catalytic art...
G/S Scientific and technological services, namely, research and design in the field of purification o...
G/S Scientific and technological services and research and design relating thereto in the field of pu...
G/S Catalysts; homogeneous catalysts; cross-coupling catalysts; catalysts for fine chemical transfor...
G/S Catalyst structures formed from precious metal gauzes; catalyst structures formed from precious m...
G/S Catalyst structures formed from precious metal gauzes; catalyst structures formed from precious ...
G/S Catalysts of precious metal gauzes for use in the manufacture of industrial chemicals; catalysts ...
Invention Stabilised zinc oxide materials. A silicon-modified zinc oxide material, wherein the silicon-mod...
G/S Catalysts for the reaction of carbon dioxide or carbon dioxide gas mixtures with hydrogen to form...
Invention Process for producing hydrogen and method of retrofitting a hydrogen production unit. A plant fo...
Invention Copper catalysts for the electrochemical conversion of carbon dioxide or carbon monoxide to c2+ p...
Invention Ammonia-burning combustion engine. An ammonia-burning combustion engine. In particular, the pres...
2022 G/S Processing of synthesis gas, consultancy in relation to the aforesaid services. Design services i...
G/S Processing of synthesis gas; processing of carbonaceous materials, hydrocarbons or carbon dioxid...
Invention A method of making a catalytic composition. The present invention relates to a method for making...
G/S Transportation logistics services, namely, arranging the transportation of spent adsorbent materi...
G/S Transportation logistics and recovery services, for the collection and transportation of spent ad...
2021 G/S Chemicals used in industry; catalysts for oxidation processes; Chemical absorbents for the remova...
G/S Chemicals used in industry; catalysts; chemical absorbents; chemical absorbents for the treatment...
G/S Catalysts for use in the manufacture of industrial chemicals Catalytic treatment of contaminant i...
2020 G/S Scientific and technological services.
G/S EXHAUST GAS POLLUTION CONTROL SYSTEMS COMPRISED OF EMISSION REDUCTION CATALYSTS AND CATALYTIC ART...
G/S EXHAUST GAS POLLUTION CONTROL SYSTEMS COMPRISED OF EMISSION REDUCTION CATALYSTS, CATALYTIC ARTICL...
G/S Exhaust gas pollution control system for use with stationary diesel and gas engines, and parts an...
G/S Exhaust gas pollution control system for use with stationary diesel engines, and parts and fittin...
G/S Scientific research services in the fields of chemistry, bio-fuels, renewable fuels, industrial ...
G/S Chemicals and biochemicals for use in industry, chemical and biochemical catalysts, enzymes othe...
G/S Custom process for manufacturing of urea stabilisers, namely urea-formaldehyde concentrates. Des...
G/S Custom process for manufacturing of urea stabilisers, namely urea-formaldehyde concentrates. Desi...
G/S Processes for the production of hydrogen (term considered too vague by the International Bureau ...
G/S Processes for the production of hydrogen (term considered too vague by the International Bureau -...
2019 G/S Exhaust gas pollution control components for use with stationary diesel engines, namely, actively...
2017 G/S Chemicals used in industry namely catalysts for the control of emissions from internal combustion...
G/S Chemicals used in industry namely, catalysts for the control of emissions from internal combustio...
G/S Chemicals for use in industry and science; catalysts for use in industry and science, catalysts ...
2016 G/S Thermocouple wires; thermocouple wires for temperature measurement. Platinum alloys; platinum al...
G/S Catalytic processes; processes for the catalytic oxidation of ammonia; processes for nitrous oxi...
G/S Catalysts; chemical absorbents; chemical absorbents for the treatment of gases and liquids; chem...
G/S Chemicals used in industry; catalysts; chemical absorbents; chemical absorbents for the treatmen...