Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659434 | Collapsible sparger | Ralph E. Casas, Henry J. Semerak, Rodney D. Chevalier, Willibrord A. Groten | 2003-12-09 |
| 6583325 | Process for the production of tertiary alkyl ethers | Lawrence A. Smith, Jr., Hugh M. Putman, Henry J. Semerak | 2003-06-24 |
| 5942456 | Multi-functional catalytic distillation structure | John R. Adams | 1999-08-24 |
| 5837130 | Catalytic distillation refining | — | 1998-11-17 |
| 5730843 | Catalytic distillation structure | Willibrord A. Groten, Derwyn Booker | 1998-03-24 |
| 5431890 | Catalytic distillation structure | Gary R. Gildert, Dennis Hearn | 1995-07-11 |
| 5346676 | Apparatus of alkylation using alkanes and olefins | Alan A. Johnson, John Woods, Elliot G. Pitt | 1994-09-13 |
| 5190904 | Paraffin alkylation catalyst | Alan A. Johnson, John Woods, Elliot G. Pitt | 1993-03-02 |
| 5157196 | Paraffin alkylation process | Alan A. Johnson, John Woods, Elliot G. Pitt | 1992-10-20 |
| 5043506 | Process for the alkylation of organic aromtic compounds in the presence of inert aliphatic compounds | — | 1991-08-27 |