Humberto Marquez

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Caracas, VE

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Patents Grantslast 30 patents

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...