CH

C. Jack Hart

PP Phillips Petroleum: 2 patents #574 of 1,401Top 45%
Overall (All Time): #2,340,988 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4643880 Apparatus and process for carbon black production William R. King 1987-02-17
4601892 Process for producing carbon black Lawrence K. Murray, David L. Rogers, Richard T. Divis 1986-07-22