Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6398964 | Process for treating aqueous waste containing copper and copper CMP particles | Daun Marie Brady, Michael Andrew Frisch, Deon Eugene Campbell, Thuy Khanh T. Nguyen | 2002-06-04 |
| 6338803 | Process for treating waste water containing hydrofluoric acid and mixed acid etchant waste | Deon Eugene Campbell, Jereme Francis, Thomas F. Stocker | 2002-01-15 |