Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4923617 | Process for inhibiting scale formation | Israel J. Heilweil | 1990-05-08 |
| 4590996 | Use of polyalkoxy sulfonate surfactants for inhibition of scale formation | Dennis H. Hoskin, L. Deane Rollmann, Kirk D. Schmitt | 1986-05-27 |
| 4447311 | Dewaxing process | Patrick E. Fowles, Tsoung Y. Yan | 1984-05-08 |