Inventor · disambiguated record
Roberto Barcala Haag
Also filed as: HAAG ROBERTO B · HAAG ROBERTO BARCALA
3 granted patents·16 citations·filing 1988–2008
63Inventor score
Files withPETROLEO BRASILEIRO SA3
Top patents by PatentIndex Score
3 records- 0166US7718747B2Fiber and process for obtaining same from high-modulus, extrudable polyethylenePETROLEO BRASILEIRO SA·Filed 2008·Granted May 18, 2010·5 cites·3 claims
- 0250US4983693AProcess for preparing a Ziegler type catalytic system and process for preparing ultra high molecular weight polyethylenePETROLEO BRASILEIRO SA·Filed 1988·Granted Jan 8, 1991·11 cites·9 claims
- 0336US7435370B2Process of making a fiberPETROLEO BRASILEIRO SA·Filed 2004·Granted Oct 14, 2008·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Roberto Barcala Haag 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 →