TREA

Porvair Limited

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  • King's Lynn, EN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gloves
    • Patent number 4,888,829
    • Issue date Dec 26, 1989
    • Porvair Limited
    • George J. Kleinerman
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Air freshener unit
    • Patent number 4,735,626
    • Issue date Apr 5, 1988
    • Reckitt & Colman Products Limited
    • Brian R. Smith
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Production of porous materials
    • Patent number 4,157,424
    • Issue date Jun 5, 1979
    • Porvair Limited
    • David L. Boutle
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Water vapor permeable microporous sheet materials and their method...
    • Patent number 4,090,010
    • Issue date May 16, 1978
    • Porvair Limited
    • Eric Albert Warwicker
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Method of making water vapor permeable polymer sheet material
    • Patent number 4,028,451
    • Issue date Jun 7, 1977
    • Porvair Limited
    • Eric Albert Warwicker
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Shoe uppers
    • Patent number 3,982,335
    • Issue date Sep 28, 1976
    • Porvair Limited
    • Victor Ralph Cunningham
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Artificial leather sheet material
    • Patent number 3,968,293
    • Issue date Jul 6, 1976
    • Porvair Limited
    • Victor Ralph Cunningham
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Water vapor permeable sheet material
    • Patent number 3,968,292
    • Issue date Jul 6, 1976
    • Porvair Limited
    • Arthur William Pearman
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...

Patents Applicationslast 30 patents

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