Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670033 | Process and products of purification of anhydrosugar alcohols | Michael A. Hubbard, Michael Wohlers, Helmut Witteler, Edward G. Zey, Thomas H. Shockley +3 more | 2003-12-30 |
| 6660899 | Methods for enhanced aromatic extraction employing sulfone-sulfoxide compositions | Artie S. McKim, Michael D. Donahue | 2003-12-09 |
| 6639067 | Continuous process for the production of anhydrosugar alcohols | Willard C. Brinegar, Michael Wohlers, Michael A. Hubbard, Edward G. Zey, Thomas H. Shockley +3 more | 2003-10-28 |
| 6617483 | Polyalkylene glycol compositions for enhanced aromatic extraction | Artie S. McKim, Michael D. Donahue, Chris B. Watts | 2003-09-09 |
| 6555726 | Methods for enhanced extractive distillation employing extractive distillation compositions comprising sulfolane and compatibility agent | Artie S. McKim, Michael D. Donahue | 2003-04-29 |