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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 |