TREA

Antonio Cardenas

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  • Caracas, VE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Natural surfactant with amines and ethoxylated alcohol
    • Patent number 5,792,223
    • Issue date Aug 11, 1998
    • Intevep, S.A.
    • Hercilio Rivas
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Viscous hydrocarbon-in-water emulsions
    • Patent number 4,923,483
    • Issue date May 8, 1990
    • Intevep, S.A.
    • Ignacio A. Layrisse R.
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Viscous hydrocarbon-in-water emulsions
    • Patent number 4,795,478
    • Issue date Jan 3, 1989
    • Intevep, S.A.
    • Ignacio A. Layrisse R.
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...