Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689030 | Method for prolonging the life of alkylation product stream defluorinator beds | — | 1997-11-18 |
| 5684220 | Process for reducing the vapor pressure of gasoline by removing amylenes therefrom and enhancing the octane thereof | Marvin M. Johnson | 1997-11-04 |
| 5659096 | Combination of olefin oligomerization and paraffin alkylation | Marvin M. Johnson | 1997-08-19 |
| 5648588 | Method for removing sulfone and hydrogen fluoride from a hydrocarbon stream and producing a sulfone product free of hydrogen fluoride | Richard L. Anderson | 1997-07-15 |
| 5639932 | Isoparaffin-olefin alkylation | Ronald G. Abbott | 1997-06-17 |
| 5629466 | Method for removing amylenes from gasoline and alkylating such amylene and other olefins while minimizing synthetic isopentane production | — | 1997-05-13 |