CD

Charles A. Drake

PP Phillips Petroleum: 4 patents #10 of 108Top 10%
📍 Nowata, OK: #1 of 2 inventorsTop 50%
🗺 Oklahoma: #11 of 631 inventorsTop 2%
Overall (1997): #8,796 of 185,788Top 5%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5698757 Hydrodealkylation catalyst composition and process therewith An-hsiang Wu 1997-12-16
5668074 Preparation of catalysts for alkane/cycloalkane isomerization An-hsiang Wu 1997-09-16
5612274 Method of preparing transalkylation catalyst An-hsiang Wu 1997-03-18
5591689 Preparation of isomerization catalyst composition An-hsiang Wu, Ralph J. Melton 1997-01-07