Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4330435 | Catalyst for the disproportionation of petroleum hydrocarbons | Ralph J. Bertolacini, Gerald Lehmann | 1982-05-18 |
| 4325808 | Hydrocarbon conversion catalyst system and method | Ralph J. Bertolacini | 1982-04-20 |