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Erhardt Fischer

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  • Sarnia, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for making vulcanized carbon black-reinforced bromobutyl ru...
    • Patent number 4,486,562
    • Issue date Dec 4, 1984
    • Polysar Limited
    • Erhardt Fischer
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Silica-polymer mixtures
    • Patent number 4,482,657
    • Issue date Nov 13, 1984
    • Polysar Limited
    • Erhardt Fischer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Particulate rubber process
    • Patent number 4,265,939
    • Issue date May 5, 1981
    • Polysar Limited
    • Klaas Tebbens
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Powdered rubber
    • Patent number 4,119,759
    • Issue date Oct 10, 1978
    • Polysar Limited
    • Erhardt Fischer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Particulate oil-black masterbatch
    • Patent number 4,026,933
    • Issue date May 31, 1977
    • Polysar Limited
    • Douglas Cameron Edwards
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...