TREA

Johnson, Matthey & Co., Limited

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  • London, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Platinum group metal-containing alloy
    • Patent number 4,737,205
    • Issue date Apr 12, 1988
    • Johnson Matthey & Co., Limited
    • Gordon L. Selman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Foldable metallic gauze pack and segment
    • Patent number RE32549
    • Issue date Nov 24, 1987
    • Johnson Matthey & Co., Limited
    • David C. Bishop
    • 428 - Stock material or miscellaneous articles
  • Information Patent Grant

    Platinum group metal-containing alloy
    • Patent number 4,683,119
    • Issue date Jul 28, 1987
    • Johnson Matthey & Company, Limited
    • Gordon L. Selman
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Exhaust gas purification
    • Patent number 4,478,797
    • Issue date Oct 23, 1984
    • Johnson Matthey & Company Limited
    • Alan F. Diwell
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Catalyst units for producing hydrocyanic acid
    • Patent number 4,469,666
    • Issue date Sep 4, 1984
    • Johnson Matthey & Co., Limited
    • David J. Stephenson
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for the hydrogenation of emulsified unsaturated organic comp...
    • Patent number 4,469,849
    • Issue date Sep 4, 1984
    • Johnson Matthey & Co., Limited
    • Barry A. Murrer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Fibre packs for ammonia oxidation
    • Patent number 4,435,373
    • Issue date Mar 6, 1984
    • Johnson, Matthey & Co., Limited
    • Arthur G. Knapton
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the recovery of platinum group metals from refractory c...
    • Patent number 4,428,768
    • Issue date Jan 31, 1984
    • Johnson Matthey & Co., Limited
    • Joseph G. Day
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Catalysts
    • Patent number 4,418,215
    • Issue date Nov 29, 1983
    • Johnson, Matthey & Co., Limited
    • John W. Jenkins
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Electrode
    • Patent number 4,414,071
    • Issue date Nov 8, 1983
    • Johnson, Matthey & Co., Limited
    • Donald S. Cameron
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    Protective layer
    • Patent number 4,399,199
    • Issue date Aug 16, 1983
    • Johnson, Matthey & Co., Limited
    • Ian R. McGill
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Forming process
    • Patent number 4,392,292
    • Issue date Jul 12, 1983
    • Johnson, Matthey & Co., Limited
    • Ian B. Irons
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Prechamber catalytic ignition system
    • Patent number 4,389,983
    • Issue date Jun 28, 1983
    • Johnson, Matthey & Co., Limited
    • Bernard E. Enga
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Boilers
    • Patent number 4,384,549
    • Issue date May 24, 1983
    • Johnson, Matthey & Co., Limited
    • Bernard E. Enga
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Catalytic fibre packs for ammonia oxidation
    • Patent number 4,375,426
    • Issue date Mar 1, 1983
    • Johnson, Matthey & Co., Limited
    • Arthur G. Knapton
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Hydrogenation of halogen-substituted aromatic nitro compounds
    • Patent number 4,375,550
    • Issue date Mar 1, 1983
    • Johnson, Matthey & Co., Limited
    • Alfred J. Bird
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Method of making an electrical contact
    • Patent number 4,364,173
    • Issue date Dec 21, 1982
    • Johnson, Matthey & Co., Limited
    • Richard C. Broadhurst
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Heat treatment of foodstuff
    • Patent number 4,364,727
    • Issue date Dec 21, 1982
    • Johnson, Matthey & Co., Limited
    • Bernard E. Enga
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Catalyst or catalyst substrate
    • Patent number 4,362,655
    • Issue date Dec 7, 1982
    • Johnson, Matthey & Co., Limited
    • John W. Jenkins
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Foldable metallic gauze pack and segment
    • Patent number 4,351,887
    • Issue date Sep 28, 1982
    • Johnson, Matthey & Co., Limited
    • David C. Bishop
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Soldering composition
    • Patent number 4,342,606
    • Issue date Aug 3, 1982
    • Johnson, Matthey & Co., Limited
    • John H. F. Notton
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Composition of matter containing platinum
    • Patent number 4,329,299
    • Issue date May 11, 1982
    • Johnson, Matthey & Co., Limited
    • Paul C. Hydes
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process for the production of formaldehyde
    • Patent number 4,306,089
    • Issue date Dec 15, 1981
    • Johnson, Matthey & Co., Limited
    • Dennis E. Webster
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Printing ink
    • Patent number 4,304,808
    • Issue date Dec 8, 1981
    • Johnson, Matthey & Co., Limited
    • John G. Priest
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Brazing rod comprising an alloy core coated with a layer of elastom...
    • Patent number 4,301,211
    • Issue date Nov 17, 1981
    • Johnson, Matthey & Co., Limited
    • Mieczyslaw H. Sloboda
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Catalytic combustion
    • Patent number 4,299,192
    • Issue date Nov 10, 1981
    • Johnson, Matthey & Co., Limited
    • Bernard E. Enga
    • F22 - STEAM GENERATION
  • Information Patent Grant

    Catalysis
    • Patent number 4,297,331
    • Issue date Oct 27, 1981
    • Johnson, Matthey & Co., Limited
    • Paul A. Sermon
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Monitoring process and apparatus
    • Patent number 4,296,086
    • Issue date Oct 20, 1981
    • Johnson, Matthey & Co., Limited
    • Paul Whitehead
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Catalytic reactions
    • Patent number 4,289,737
    • Issue date Sep 15, 1981
    • Johnson, Matthey & Co., Limited
    • Gary J. K. Acres
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engines
    • Patent number 4,287,856
    • Issue date Sep 8, 1981
    • Johnson, Matthey & Co., Limited
    • Bernard E. Enga
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Trademarklast 30 trademarks

  • Information Trademark

    72343201 - SPECPURE
    • Serial number 72343201
    • Registration number 947492
    • Filing date Nov 12, 1969
    • JOHNSON, MATTHEY & COMPANY LIMITED
    • 6 - Common metals and their alloys
  • Information Trademark

    71614878 - SPECPURE
    • Serial number 71614878
    • Registration number 562329
    • Filing date Jun 7, 1951
    • JOHNSON, MATTHEY & COMPANY LIMITED
    • 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry