Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281277 | Lubricant compositions containing styrenic block copolymer | Yi Zhao, Ronald Lewis, Dominic Collis | 2025-04-22 |
| 11685874 | High viscosity index comb polymer viscosity modifiers and methods of modifying lubricant viscosity using same | Nga Nguyen, Ronald Lewis | 2023-06-27 |
| 11414618 | Triblock copolymer concentrates for lubricating oil compositions | Yi Zhao, Jun Cui, Stuart Briggs | 2022-08-16 |
| 11384311 | High viscosity index comb polymer viscosity modifiers and methods of modifying lubricant viscosity using same | Nga Nguyen, Ronald Lewis | 2022-07-12 |
| 11365273 | High viscosity index comb polymer viscosity modifiers and methods of modifying lubricant viscosity using same | Nga Nguyen, Ronald Lewis, Jun Xu | 2022-06-21 |