Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520795 | Method for reducing the air reactivity of calcined petroleum coke | Daisy K. Wong, Richard P. Ellingsen, Bernie C. Vitchus, Chris Bustamante | 1996-05-28 |
| 5422009 | Removal of calcium from amine solutions | Yen HOANG, Gary Youngman | 1995-06-06 |