TREA

Daniel Liu

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  • Vancouver, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compositions for photodynamic therapy
    • Patent number 5,238,940
    • Issue date Aug 24, 1993
    • Quadra Logic Technologies Inc.
    • Daniel Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Compositions for photodynamic therapy
    • Patent number 5,053,423
    • Issue date Oct 1, 1991
    • Quadra Logic Technologies Inc.
    • Daniel Liu
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE