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Carlos Zerpa
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Caracas, VE
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last 30 patents
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Patent Grant
Mild hydrocracking catalyst for the production of middle distillates
Patent number
4,857,494
Issue date
Aug 15, 1989
Intevep, S.A.
Nelson P. Martinez
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method of preparation of mild hydrocracking catalyst for the produc...
Patent number
4,689,314
Issue date
Aug 25, 1987
Intevep, S.A.
Nelson P. Martinez
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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