Cesar Ovalles

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Caracas, VE

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Patents Grantslast 30 patents

Information Patent Grant
Microwave heated catalyst and process
- Patent number 6,171,479
- Issue date Jan 9, 2001
- Intevep, S.A.
- Cesar Ovalles
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Microwave heated catalyst and process
- Patent number 6,017,845
- Issue date Jan 25, 2000
- Intevep, S.A.
- Cesar Ovalles
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the downhole upgrading of extra heavy crude oil
- Patent number 5,891,829
- Issue date Apr 6, 1999
- Intevep, S.A.
- Carlos Vallejos
- E21 - EARTH DRILLING MINING
Information Patent Grant
Catalyst for the direct conversion of methane to higher hydrocarbon...
- Patent number 5,321,187
- Issue date Jun 14, 1994
- Intevep, S.A.
- Cesar Ovalles
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for treating heavy crude oil
- Patent number 5,269,909
- Issue date Dec 14, 1993
- Intevep, S.A.
- Cesar Ovalles
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Catalyst for the direct conversion of methane to higher hydrocarbon...
- Patent number 5,212,139
- Issue date May 18, 1993
- Intevep, S.A.
- Cesar Ovalles
- C07 - ORGANIC CHEMISTRY