Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11578211 | Polymeric dispersants containing one or two quaternary amine anchoring groups with improved chemical and thermal stability | Dean Thetford | 2023-02-14 |
| 10988701 | Lubricating composition containing an oxyalkylated hydrocarbyl phenol | Yanshi Zhang, Gary M. Walker, Ewan E. Delbridge, Edward P. Sampler | 2021-04-27 |
| 8772435 | Dispersants | Dean Thetford | 2014-07-08 |
| 8167992 | Dispersant and compositions thereof | Dean Thetford, Patrick J. Sunderland | 2012-05-01 |
| 8076409 | Dispersant and compositions thereof | Dean Thetford | 2011-12-13 |
| 7683120 | Dispersants and compositions thereof | Dean Thetford | 2010-03-23 |