TREA

Helmut Kopke

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  • Ludwigshafen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Magnetic recording medium
    • Patent number 5,462,810
    • Issue date Oct 31, 1995
    • BASF Magnetics GmbH
    • Harald Keller
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording media comprising a polyurethane binder resin con...
    • Patent number 5,169,721
    • Issue date Dec 8, 1992
    • BASF Aktiengesellschaft
    • Michael Bobrich
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording media comprising a polyurethane binder resin con...
    • Patent number 5,120,608
    • Issue date Jun 9, 1992
    • BASF Aktiengesellschaft
    • Michael Bobrich
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording media
    • Patent number 5,064,721
    • Issue date Nov 12, 1991
    • BASF Aktiengesellschaft
    • August Lehner
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,568,610
    • Issue date Feb 4, 1986
    • BASF Aktiengesellschaft
    • August Lehner
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,568,612
    • Issue date Feb 4, 1986
    • BASF Aktiengesellschaft
    • August Lehner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,567,109
    • Issue date Jan 28, 1986
    • BASF Aktiengesellschaft
    • August Lehner
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording media
    • Patent number 4,567,108
    • Issue date Jan 28, 1986
    • BASF Aktiengesellschaft
    • August Lehner
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    Production of magnetic recording media
    • Patent number 4,430,362
    • Issue date Feb 7, 1984
    • BASF Aktiengesellschaft
    • Milena Melzer
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Magnetic recording media containing elastomeric polyurethane binder...
    • Patent number 4,320,171
    • Issue date Mar 16, 1982
    • BASF Aktiengesellschaft
    • Herbert Motz
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...