Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8623795 | Method for maintaining antiwear performance of turbine oils containing polymerized amine antioxidants and for improving the deposit formation resistance performance of turbine oils containing monomeric and/or polymeric antioxidants | Michael R. Douglass, Douglas E. Johnson | 2014-01-07 |
| 8618031 | Method for improving the deposit formation resistance performance of turbine oils containing amine antioxidants | Michael R. Douglass, Douglas E. Johnson | 2013-12-31 |
| 6747182 | Production of alkylated aromatic compounds using dealuminated catalysts | Hye Kyung Cho Timken, Arthur W. Chester, Mark P. Hagemeister | 2004-06-08 |
| 6649574 | Biodegradable non-toxic gear oil | Angeline B. Cardis | 2003-11-18 |
| 6596662 | Production of alkylated aromatic compounds using dealuminated catalysts | Hye Kyung Cho Timken, Arthur W. Chester, Mark P. Hagemeister | 2003-07-22 |
| 5705086 | Refrigeration oils comprising esters of hindered alcohols | Henry Ashjian, G. James Johnston | 1998-01-06 |
| 5629463 | Naphthalene alkylation with RE and mixed H/NH3 form catalyst | Henry Ashjian, Thomas F. Degnan, Terry E. Helton, Quang N. Le, Augusto Rodolfo Quinones | 1997-05-13 |
| 5457254 | Naphthalene alkylation process using mixed H/NH3 form catalyst | Henry Ashjian, Thomas F. Degnan, Terry E. Helton, Quang N. Le, Augusto Rodolfo Quinones | 1995-10-10 |