Pedro Roa

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Caracas, VE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the demetallization and hydroconversion of heavy crudes...
- Patent number 4,613,427
- Issue date Sep 23, 1986
- Intevep, S.A.
- Gonzalo Sepulveda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Catalyst formed of natural clay for use in the hydrodemetallization...
- Patent number 4,568,657
- Issue date Feb 4, 1986
- Intevep, S.A.
- Gonzalo Sepulveda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL