TREA

Constanze Prengel

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  • Weiterstadt, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Platelet-like substrates
    • Patent number 5,407,746
    • Issue date Apr 18, 1995
    • Merck Patent Gesellschaft Mit Beshrankter Haftung
    • Constanze Prengel
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Materials coated with plate-like pigments
    • Patent number 5,223,360
    • Issue date Jun 29, 1993
    • Merck Patent Gesellschaft mit beschrankter Haftung
    • Constanze Prengel
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER