Inventor · disambiguated record
Luiz Cesar Ferreira Barbosa
Also filed as: BARBOSA LUIZ C F · BARBOSA LUIZ CESAR FERREIRA
2 granted patents·105 citations·filing 1985–2000
65Inventor score
Technology areasC09K
Files withPETROLEO BRASILEIRO SA2
Top patents by PatentIndex Score
2 records- 0186US6474413B1Process for the reduction of the relative permeability to water in oil-bearing formationsPETROLEO BRASILEIRO SA·Filed 2000·Granted Nov 5, 2002·99 cites·22 claims
- 0230US4643254AProcess for the correction of oil well productivity and/or injectivity profilesPETROLEO BRASILEIRO SA·Filed 1985·Granted Feb 17, 1987·6 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Luiz Cesar Ferreira Barbosa files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →