OF

Odyr Do Coutto Filho

PS Petróleo Brasileiro S.A.—Petrobras: 2 patents #73 of 1,087Top 7%
Overall (All Time): #2,262,344 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5780699 Synthetic basestocks and process for producing same Noemi Tatizawa 1998-07-14
4983693 Process for preparing a Ziegler type catalytic system and process for preparing ultra high molecular weight polyethylene Roberto Barcala Haag, Jaime da Silva, Juan Raul Quijada Abarca 1991-01-08