Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376625 | Process for purifying polyethers | James P. Cosman, Richard J. Elwell, Raymond A. Plepys | 2002-04-23 |
| 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 |