Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9505988 | Circulation aid for primary fractional quench loops | Meha H. Shah, Daniel K. Frye | 2016-11-29 |
| 7431845 | Method of clarifying oily waste water | Michael Howdeshell, Kirk E. Wells, Hester A. Clever, William K. Stephenson | 2008-10-07 |
| 5985940 | Method of mitigating fouling and reducing viscosity in primary fractionators and quench sections of ethylene plants | Chin Hai Chen, Roberto G. Presenti, Hernando Diaz-Arauzo | 1999-11-16 |
| 5494607 | Alkyl substituted phenol-polyethylenepolyamine-formaldehyde resins as asphaltene dispersants | Kailash Sawhney | 1996-02-27 |