Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750987 | Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion | H. Wayne Beck, James D. Carruthers, William P. Hettinger, Jr., Stephen M. Kovach, James L. Palmer +1 more | 1988-06-14 |
| 4588702 | High performance catalysts for carbometallic oil conversion and their manufacture and use | H. Wayne Beck, James D. Carruthers, Ronald A. Kmecak, Stephen M. Kovach, William P. Hettinger, Jr. | 1986-05-13 |
| 4561968 | Carbometallic oil conversion with zeolite y containing catalyst | H. Wayne Beck, James D. Carruthers, Ronald A. Kmecak, Stephen M. Kovach, William P. Hettinger, Jr. | 1985-12-31 |
| 4549958 | Immobilization of vanadia deposited on sorbent materials during treatment of carbo-metallic oils | H. Wayne Beck, James D. Carruthers, William P. Hettinger, Jr., Stephen M. Kovach, James L. Palmer +1 more | 1985-10-29 |
| 4513093 | Immobilization of vanadia deposited on sorbent materials during treatment of carbo-metallic oils | H. Wayne Beck, James D. Carruthers, William P. Hettinger, Jr., Stephen M. Kovach, James L. Palmer +1 more | 1985-04-23 |
| 4485184 | Trapping of metals deposited on catalytic materials during carbometallic oil conversion | William P. Hettinger, Jr., H. Wayne Beck, James D. Carruthers, Stephen M. Kovach, James L. Palmer | 1984-11-27 |
| 4480047 | High performance catalysts for carbometallic oil conversion and their manufacturing and use | H. Wayne Beck, James D. Carruthers, Ronald A. Kmecak, Stephen M. Kovach, William P. Hettinger, Jr. | 1984-10-30 |
| 4432890 | Immobilization of vanadia deposited on catalytic materials during carbo-metallic oil conversion | H. Wayne Beck, James D. Carruthers, William P. Hettinger, Jr., Stephen M. Kovach, James L. Palmer +1 more | 1984-02-21 |
| 4405445 | Homogenization of water and reduced crude for catalytic cracking | Stephen M. Kovach | 1983-09-20 |