Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7575604 | Drycleaning method | Frank J. Liotta, Jr., Mark A. Liepa | 2009-08-18 |
| 7144850 | Drycleaning method using dipropylene glycol dimethyl ether | David R. Kinney, Ellen S. Lenz, Larry W. Arndt | 2006-12-05 |
| 7087094 | Drycleaning method using dipropylene glycol n-propyl ether | Larry W. Arndt, Shao-Hua Guo, Ellen S. Lenz, David R. Kinney | 2006-08-08 |
| 7078539 | Carbonate decolorization | Jude T. Ruszkay | 2006-07-18 |
| 4310658 | Production of polyester thermally stabilized with an oxirane | Stanley D. Lazarus, Robert S. Cooke | 1982-01-12 |