Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6429336 | Process for recovering toluene diamine from toluene diisocyanate distillation residues | Shenghong A. Dai, Duane S. Treybig, Kathryn Hock | 2002-08-06 |
| 5342541 | Purified hydroxy-functional polyether compounds | Johnny Chavez, Jr., Andrew S. Farnum, Vaughn M. Nace, Raymond A. Plepys, Randall K. Whitmire +2 more | 1994-08-30 |
| 5185384 | Method for reducing hydrolyzable chloride in toluene diisocyanate | Rory D. Daussin, Steven B. Lowenkron | 1993-02-09 |
| 5095061 | Process to reduce propenyl polyethers in hydroxyfunctional polyethers | Johnny Chavez, Jr., Raymond A. Plepys, Craig A. McClure, Richard N. Gerstle | 1992-03-10 |
| 4834959 | Process for selectively removing sulfur dioxide | Larry H. Kirby, William R. Behr | 1989-05-30 |
| 4830838 | Removal of hydrogen sulfide from fluid streams with minimum production of solids | William R. Behr, Larry H. Kirby | 1989-05-16 |
| 4585630 | Process for selectively removing hydrogen sulfide | Roberto A. Abib, Larry H. Kirby | 1986-04-29 |