John Rodney Field

Person

  • Halifax, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Mineral pelletisation

    • Patent number 6,293,994
    • Issue date Sep 25, 2001
    • Ciba Specialty Chemicals Water Treatments Ltd.
    • John Rodney Field
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Flocculating or viscosifying compositions and their production and use

    • Patent number 6,060,164
    • Issue date May 9, 2000
    • Ciba Specialty Chemicals Water Treatments Limited
    • Michael Green
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dewatering of suspensions

    • Patent number 5,846,433
    • Issue date Dec 8, 1998
    • Allied Colloids Limited
    • Jens Sorensen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Ore pelletization

    • Patent number 5,685,893
    • Issue date Nov 11, 1997
    • Allied Colloids Limited
    • John R. Field
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process and apparatus for controlling the dewatering of suspensions

    • Patent number 5,662,805
    • Issue date Sep 2, 1997
    • Allied Colloids, Ltd.
    • Timothy Ian Cameron
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Process and apparatus for dewatering controlled by monitoring light...

    • Patent number 5,620,609
    • Issue date Apr 15, 1997
    • Allied Colloids Limited
    • John R. Field
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Pelletisation process

    • Patent number 5,302,186
    • Issue date Apr 12, 1994
    • Allied Colloids Limited
    • John R. Field
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Polymeric compositions

    • Patent number 5,171,781
    • Issue date Dec 15, 1992
    • Allied Colloids Limited
    • David Farrar
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Agglomeration of particulate material employing a polymer

    • Patent number 5,102,455
    • Issue date Apr 7, 1992
    • Allied Colloids Limited
    • Anthony P. Allen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Agglomeration of particulate material mixed prior to addition of po...

    • Patent number 5,100,467
    • Issue date Mar 31, 1992
    • Allied Colloids Limited
    • Anthony P. Allen
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Process for pelletizing particulate materials

    • Patent number 5,002,607
    • Issue date Mar 26, 1991
    • Allied Colloids Ltd.
    • Peter Flesher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Dust suppressant for minerals

    • Patent number 4,981,398
    • Issue date Jan 1, 1991
    • Allied Colloids Ltd.
    • John R. Field
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Flocculation processes

    • Patent number 4,943,378
    • Issue date Jul 24, 1990
    • Allied Colloids Ltd.
    • Peter Flesher
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Products and processes for the flocculation of aqueous suspensions

    • Patent number 4,820,424
    • Issue date Apr 11, 1989
    • Allied Colloids Ltd.
    • John R. Field
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Testing polyelectrolytes

    • Patent number 4,820,645
    • Issue date Apr 11, 1989
    • Allied Colloids, Ltd.
    • John R. Field
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Clarification of bayer process liquors

    • Patent number 4,789,485
    • Issue date Dec 6, 1988
    • Allied Colloids Ltd.
    • John R. Field
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Flocculation processes

    • Patent number 4,759,856
    • Issue date Jul 26, 1988
    • Allied Colloids, Ltd.
    • David Farrar
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Flocculation processes

    • Patent number 4,720,346
    • Issue date Jan 19, 1988
    • Allied Colloids Ltd.
    • Peter Flesher
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Polymeric dispersions

    • Patent number 4,585,812
    • Issue date Apr 29, 1986
    • Allied Colloids Limited
    • John R. Field
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...