Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8231777 | Catalytic cracking process for production of diesel from seeds of oleaginous plants | Mauro Silva, Andrea de Rezende Pinho, Wilson Kenzo Huziwara, Amilcar Pereira da Silva Neto, Julio Amilcar Ramos Cabral +3 more | 2012-07-31 |
| 7112229 | Process for producing biodiesel fuel using triglyceride-rich oleagineous seed directly in a transesterification reaction in the presence of an alkaline alkoxide catalyst | Lúcia Cristina Ferreira Leite | 2006-09-26 |
| 6164379 | Process for the enhanced recovery of petroleum oil | Marcia Cristina Khalil De Oliveira | 2000-12-26 |
| 6035933 | Process for the thermo-hydraulic control of gas hydrates | Nelson De Oliveira Rocha, Lúcia Cristina Ferreira Leite | 2000-03-14 |
| 6003528 | Method for the thermo-chemical dewaxing of large dimension lines | Celso Rodrigo De Souza | 1999-12-21 |
| 5891262 | On-line thermo-chemical process for the dewaxing of oil export pipelines | Lúcia Cristina Ferreira Leite, Nelson De Oliveira Rocha | 1999-04-06 |
| 5840658 | Process for the controlled fixing of scale inhibitor in a subterranean formation | Francisca Ferreira Do Rosario, Maria Carmen Moreira Bezerra, Sandra Botelho Rondinini | 1998-11-24 |
| 5824160 | Method for the thermo-chemical dewaxing of large dimension lines | Alberto Cunha Carneiro Da Silva, Celso Rodrigo De Souza, Maria Cristina Brum, Claudio Silvio Viana Martins, Sonia Maria Cabral De Menezes | 1998-10-20 |
| 5639313 | Process for the thermo-chemical dewaxing of hydrocarbon transmission conduits | — | 1997-06-17 |
| 5580391 | Process for the thermo-chemical cleaning of storage tanks | Zadson De Almeida Franco, Oswaldo d. Pereira, Jr. | 1996-12-03 |
| 5183581 | Process for the dewaxing of producing formations | Regis K. Romeu, Andre Rabinovitz | 1993-02-02 |
| 4846277 | Continuous process of hydraulic fracturing with foam | Zadson De Almeida Franco | 1989-07-11 |