DH

Donald O. Hanson

PP Phillips Petroleum: 1 patents #44 of 108Top 45%
📍 Bartlesville, OK: #29 of 79 inventorsTop 40%
🗺 Oklahoma: #137 of 631 inventorsTop 25%
Overall (1997): #158,380 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5597892 Process for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator 1997-01-28