Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148115 | Sulfuric acid alkylation reactor system and conversion of a hydrogen fluoride alkylation unit to a sulfuric acid alkylation unit | Christopher Shane Presley, Diwakar Rana, Jason Brent Nunez, Arthur William Etchells, III, Cody A. Jensen | 2021-10-19 |
| 6194625 | Alkylation by controlling olefin ratios | David Campbell Graves, James Kevin Millard, Lyle Frederick Albright | 2001-02-27 |
| 5841014 | Alkylation by controlling olefin ratios | David Campbell Graves, James Kevin Millard, Lyle Frederick Albright | 1998-11-24 |
| 5583275 | Alkylation of olefins utilizing mixtures of isoparaffins | James Kevin Millard | 1996-12-10 |
| 5095168 | Cold temperature alkylation process | — | 1992-03-10 |
| 4808391 | Oxidation-reduction process for enhancing the color of and stabilizing wet process phosphoric acid | David D. Leavitt, Greg Gorman, Norman L. Stewart, Jr. | 1989-02-28 |
| 4557748 | Method of lowering the magnesium impurity level of wet-process phosphoric acid during production of liquid fertilizer | Norman L. Stewart, Jr. | 1985-12-10 |