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Alexander I. Lieberman

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  • St. Petersburg, RU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filtration device for liquid purification
    • Patent number 6,387,260
    • Issue date May 14, 2002
    • Electrophor, Inc.
    • Alexander V. Pimenov
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Composite adsorbent element
    • Patent number 6,299,771
    • Issue date Oct 9, 2001
    • Electrophor, Inc.
    • Joseph L. Shmidt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Method for purifying water
    • Patent number 5,904,854
    • Issue date May 18, 1999
    • Electrophor, Inc.
    • Joseph L. Shmidt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Modified activated carbon
    • Patent number 5,705,269
    • Issue date Jan 6, 1998
    • Electrophor, Inc.
    • Alexander V. Pimenov
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Manufacture of activated carbon fiber
    • Patent number 5,521,008
    • Issue date May 28, 1996
    • Electrophor, Inc.
    • Alexander I. Lieberman
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING