TREA

Ahlstrom

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  • Vitry sur Seine Cedex, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Filter paper for laden liquids
    • Patent number 6,224,768
    • Issue date May 1, 2001
    • Elf Antar France
    • Francois-Pierre Navarre
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Device for purifying lightly laden water
    • Patent number 5,984,110
    • Issue date Nov 16, 1999
    • Elf Antar France
    • Francois-Pierre Navarre
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Filled paper for gas filtration
    • Patent number 5,965,091
    • Issue date Oct 12, 1999
    • Elf Antar France
    • Francois-Pierre Navarre
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL