Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007658 | Reduced puffing needle coke from coal tar | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Richard L. Shao | 2011-08-30 |
| 8007659 | Reduced puffing needle coke from coal tar distillate | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Richard T. Lewis, Richard L. Shao | 2011-08-30 |
| 8007660 | Reduced puffing needle coke from decant oil | Douglas J. Miller, Ching-Feng Chang, Irwin C. Lewis, Richard L. Shao | 2011-08-30 |