Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662802 | Solvent extraction process using water absorbing solvent at preselected temperature | William F. Heins | 1997-09-02 |
| 5047153 | Method for removing amine from solids | Mark K. Tose | 1991-09-10 |
| 4863607 | Method for removing amine from oil | John E. Andrew, Howard R. Herrigel, George R. Jones, Mark K. Tose, Robert L. Whalen | 1989-09-05 |
| 4830754 | Method of recovering amine in a process for breaking emulsions and sludges | Mark K. Tose | 1989-05-16 |