Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5900112 | Method of reducing the viscosity of a black liquor using thiocyanate salt | Richard J. Spontak, Joanna E. Roberts, Saad A. Khan | 1999-05-04 |
| 5635027 | Method of reducing the viscosity of a black liquor | Richard J. Spontak, Joanna E. Roberts, Saad A. Khan | 1997-06-03 |