NR

Nelson De Oliveira Rocha

PS Petróleo Brasileiro S.A.—Petrobras: 2 patents #73 of 1,087Top 7%
Overall (All Time): #2,235,740 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6035933 Process for the thermo-hydraulic control of gas hydrates Carlos Nagib Khalil, Lúcia Cristina Ferreira Leite 2000-03-14
5891262 On-line thermo-chemical process for the dewaxing of oil export pipelines Carlos Nagib Khalil, Lúcia Cristina Ferreira Leite 1999-04-06