IB

Inai M. R. de Andrade Bruning

PS Petróleo Brasileiro S.A.—Petrobras: 1 patents #2 of 6Top 35%
Overall (1989): #37,861 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4889813 Process for determining the polarity of a crude oil 1989-12-26