Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174444 | Diesel detergent without a low molecular weight penalty | James H. Bush, Robert H. Barbour, Hannah Greenfield, Paul R. Stevenson, David C. Arters | 2021-11-16 |
| 10975323 | Sulfurized catecholate detergents for lubricating compositions | Kamalakumari K. Salem, Gary M. Walker, Ewan E. Delbridge, Adam Cox, W. Preston Barnes +2 more | 2021-04-13 |
| 10913910 | Quaternary ammonium amide and/or ester salts | Paul R. Stevenson, James C. Ray, James H. Bush | 2021-02-09 |