Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527725 | Upgrading drip oil | Krishnan Viswanathan, Lau S. Yang, David W. Leyshon | 2009-05-05 |
| 7144850 | Drycleaning method using dipropylene glycol dimethyl ether | Paul E. Galick, David R. Kinney, Larry W. Arndt | 2006-12-05 |
| 7087094 | Drycleaning method using dipropylene glycol n-propyl ether | Paul E. Galick, Larry W. Arndt, Shao-Hua Guo, David R. Kinney | 2006-08-08 |