TREA

Poryair Limited

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  • Norfolk, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Production of porous materials
    • Patent number 4,242,464
    • Issue date Dec 30, 1980
    • Poryair Limited
    • David L. Boutle
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...