Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5368759 | Ester fluids with high temperature stability | Andrew G. Horodysky, Liwen Wei | 1994-11-29 |
| 5344578 | Hydrocarbyl ethers of sulfur-containing hydroxyl derived aromatics as synthetic lubricant base stocks | Liwen Wei, Andrew G. Horodysky, Andrew Jeng | 1994-09-06 |