Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8362304 | Process for making glycol ether compositions useful for metal recovery | Adam Hing Ping Chan | 2013-01-29 |
| 7482495 | Process for making alkylene glycol ether compositions useful for metal recovery | — | 2009-01-27 |
| 7425652 | Preparation of alkanolamines | Wei Wang | 2008-09-16 |
| 5962728 | Isocyanate residue purification | Robert W. Mason, Joseph P. Bridges, Larry K. Butler, Majid Keyvani | 1999-10-05 |