OC

Oscar R. Chamberlain

PS Petróleo Brasileiro S.A.—Petrobras: 1 patents #235 of 1,087Top 25%
Overall (All Time): #3,757,582 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5576258 Modified Y-zeolite, process for the preparation thereof, and modified Y-zeolite-containing FCC catalyst Eduardo F. Souza-Aguiar, Avelino Corma Canos 1996-11-19