TREA

Peter Merk

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  • Muttenz, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Improved optical brightening of polyamides
    • Patent number 4,169,702
    • Issue date Oct 2, 1979
    • Sandoz Ltd.
    • Fritz Fleck
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...