Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11185812 | Regenerative recovery of sulfur dioxide from effluent gases | — | 2021-11-30 |
| 10543453 | Removal of sulfate from solvent solutions using an anion exchange resin | — | 2020-01-28 |
| 10272380 | Regenerative recovery of sulfur dioxide from effluent gases | — | 2019-04-30 |
| 9884289 | Regenerative recovery of contaminants from effluent gases | — | 2018-02-06 |
| 9278859 | Energy recovery in manufacture of sulfuric acid | — | 2016-03-08 |
| 9266059 | Regenerative recovery of contaminants from effluent gases | — | 2016-02-23 |
| 9162890 | Recovery of sulfur trioxide heat of absorption | — | 2015-10-20 |
| 8940258 | Regenerative recovery of contaminants from effluent gases | — | 2015-01-27 |
| 8894965 | Energy recovery in manufacture of sulfuric acid | — | 2014-11-25 |
| 8586001 | Energy recovery in manufacture of sulfuric acid | — | 2013-11-19 |
| 4999452 | Process for producing acrylic ester | Donald L. Bunning, William G. Etzkorn, William Haydon, Gordon G. Harkreader, Jonathan J. Kurland +1 more | 1991-03-12 |
| 4886919 | Process for the production of saturated neo-alcohols | John E. Logsdon | 1989-12-12 |
| 4740272 | Separation of monoalkyl maleate from dialkyl maleate | Diane A. Montevideo, David J. Miller, John E. Logsdon, David R. Bryant | 1988-04-26 |