Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4778591 | Demetalation of hydrocarbonaceous feedstocks using carbonic acid and salts thereof | — | 1988-10-18 |
| 4778592 | Demetalation of hydrocarbonaceous feedstocks using amino-carboxylic acids and salts thereof | — | 1988-10-18 |
| 4778590 | Decalcification of hydrocarbonaceous feedstocks using amino-carboxylic acids and salts thereof | Thomas Francis Finger | 1988-10-18 |
| 4778589 | Decalcification of hydrocarbonaceous feedstocks using citric acid and salts thereof | — | 1988-10-18 |
| 4560465 | Presulfided red mud as a first-stage catalyst in a two-stage, close-coupled thermal catalytic hydroconversion process | S. Gary Yu | 1985-12-24 |
| 4559130 | Metals-impregnated red mud as a first-stage catalyst in a two-stage, close-coupled thermal catalytic hydroconversion process | S. Gary Yu, Samil Beret | 1985-12-17 |
| 4559129 | Red mud as a first-stage catalyst in a two-stage, close-coupled thermal catalytic hydroconversion process | S. Gary Yu, Robert T. Lewis | 1985-12-17 |