Nelson De Oliveira Rocha

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Rio de Janeiro, BR

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Patents Grantslast 30 patents

Information Patent Grant
Process for the thermo-hydraulic control of gas hydrates
- Patent number 6,035,933
- Issue date Mar 14, 2000
- Petroleo Brasileiro S.A. - Petrobras
- Carlos Nagib Khalil
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
On-line thermo-chemical process for the dewaxing of oil export pipe...
- Patent number 5,891,262
- Issue date Apr 6, 1999
- Petroleo Brasileiro S.A.-Petrobras
- Carlos Nagib Khalil
- B08 - CLEANING