Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8012917 | Crosslinked polymer | John R. Johnson, Daniel C. Visger, Marina Baum, Ying Wang | 2011-09-06 |
| 7960320 | Dispersant viscosity modifiers containing aromatic amines | Michael J. Covitch, John K. Pudelski, Christopher L. Friend, Matt D. Gieselman, Renee A. Eveland +1 more | 2011-06-14 |