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Daniel Defives

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  • Paris, FR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for purifying hydrocarbons by adsorption
    • Patent number 4,152,249
    • Issue date May 1, 1979
    • Institut Francais du Petrole
    • Rene Avrillon
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for regenerating lubricating oils
    • Patent number 4,045,330
    • Issue date Aug 30, 1977
    • Institut Francais du Petrole
    • Rene Avrillon
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Process for regenerating used lubricating oils
    • Patent number 3,990,963
    • Issue date Nov 9, 1976
    • Institut Francais du Petrole, des Carburants et Lubrifiants et Entreprise de...
    • Francois Audibert
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL