Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12371631 | Basic ashless additives and lubricating compositions containing same | Daniel J. Saccomando, Yanshi Zhang, John-Louis DiFlavio, William R. S. Barton | 2025-07-29 |
| 12305141 | Zinc free lubricating compositions and methods of using the same | Paul R. Vincent, William R. S. Barton, Emma Fahey, Yanshi Zhang, Mark C. Davies | 2025-05-20 |