Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676886 | Process for producing anode grade coke employing heavy crudes characterized by high metal and sulfur levels | Roger Marzin, Ivan Cavicchioli, Julio Krasuk, Rodolfo B. Solari | 1987-06-30 |
| 4655903 | Recycle of unconverted hydrocracked residual to hydrocracker after removal of unstable polynuclear hydrocarbons | Roger Marzin, Ivan Cavicchioli, Julio Krasuk | 1987-04-07 |