CD

Charles A. Drake

PP Phillips Petroleum: 6 patents #5 of 198Top 3%
📍 Nowata, OK: #1 of 1 inventorsTop 100%
🗺 Oklahoma: #5 of 552 inventorsTop 1%
Overall (1982): #766 of 81,411Top 1%
6
Patents 1982

Issued Patents 1982

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4337177 Catalyst for hydrogenation of unsaturated dinitriles 1982-06-29
4331557 Regeneration of ruthenium-containing catalyst 1982-05-25
4331562 Catalyst for the hydrogenation of olefinically unsaturated compounds 1982-05-25
4324738 Dinitriles and their preparation Stanley D. Turk 1982-04-13
4322315 Regeneration of a ruthenium containing hydrogenation catalyst 1982-03-30
4311859 Catalytic hydrogenation of unsaturated dinitriles Timothy P. Murtha 1982-01-19