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Eberhard Kuehn

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  • Hemhofen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photoresist compound and method for structuring a photoresist layer
    • Patent number 6,841,332
    • Issue date Jan 11, 2005
    • Infineon Technology AG
    • Gertrud Falk
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Preparation of poly-o-hydroxyamides and poly o-mercaptoamides
    • Patent number 5,922,825
    • Issue date Jul 13, 1999
    • Siemens Aktiengesellschaft
    • Recai Sezi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Synthesis of polybenzoxasole and polybenzothiazole precursors
    • Patent number 5,883,221
    • Issue date Mar 16, 1999
    • Siemens Aktiengesellschaft
    • Recai Sezi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Preparation of poly-O-hydroxyamides and poly O-mercaptoamides
    • Patent number 5,807,969
    • Issue date Sep 15, 1998
    • Siemens Aktiengesellschaft
    • Recai Sezi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Dicarboxylic acid derivatives
    • Patent number 5,750,711
    • Issue date May 12, 1998
    • Siemens Aktiengesellschaft
    • Racai Sezi
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mixed polymers
    • Patent number 5,703,186
    • Issue date Dec 30, 1997
    • Siemens Aktiengesellschaft
    • Recai Sezi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Copolymers
    • Patent number 5,616,667
    • Issue date Apr 1, 1997
    • Siemens Aktiengesellschaft
    • Recai Sezi
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Photostructuring process
    • Patent number 5,250,375
    • Issue date Oct 5, 1993
    • Siemens Aktiengesellschaft
    • Michael Sebald
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Process for producing N-tertiary butoxycarbonyl-maleinimide
    • Patent number 5,194,629
    • Issue date Mar 16, 1993
    • Siemens Aktiengesellschaft
    • Eberhard Kuehn
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Photosensitive mixture
    • Patent number 5,081,000
    • Issue date Jan 14, 1992
    • Siemens Aktiengesellschaft
    • Eberhard Kuehn
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents