OP

Oscar René Chamberlain Pravia

AL Albemarle: 1 patents #228 of 439Top 55%
PS Petroleo Brasileiro S.A.: 1 patents #12 of 74Top 20%
Overall (All Time): #2,128,551 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7824540 Process for upgrading liquid hydrocarbon feeds Paul O'Connor, Erik Jeroen Laheij, Dennis Stamires, Michael Brady, Francisco René Mas Cabre +2 more 2010-11-02
7504023 Process for reducing the naphthenic acidity of petroleum oils Henrique Soares Cerqueira, Elizabeth Moreira, Claudia Maria Alvarenga Baptista, Jefferson Roberto Gomes, Paulo César Peixoto Bugueta 2009-03-17