Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9493398 | Ether dye fixative agents and methods | Timothy S. De Vries | 2016-11-15 |
| 9328279 | Mono-quaternary amine alcohols for use of clay and shale inhibition agents for the drilling industry | Cole A. Witham, Michael K. Poindexter | 2016-05-03 |