Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6376625 | Process for purifying polyethers | James P. Cosman, Paul D. Bettge, Richard J. Elwell | 2002-04-23 |
| 6255434 | High molecular weight polyols, process for preparation and use thereof | Philip W. McGraw, Robert H. Whitmarsh, Paul E. Cranley | 2001-07-03 |
| 5342541 | Purified hydroxy-functional polyether compounds | Johnny Chavez, Jr., Andrew S. Farnum, Vaughn M. Nace, Randall K. Whitmire, Van A. Kent +2 more | 1994-08-30 |
| 5095061 | Process to reduce propenyl polyethers in hydroxyfunctional polyethers | Johnny Chavez, Jr., Craig A. McClure, Van A. Kent, Richard N. Gerstle | 1992-03-10 |
| 4686242 | Polyurea polymers prepared from urea containing prepolymers | Robert B. Turner, Richard D. Peffley, Ralph D. Priester, Jr., Manuel Gonzales, Kimbley A. Bushman | 1987-08-11 |
| 4658007 | Polyisocyanurate-based polyoxazolidone polymers and process for their preparation | Maurice J. Marks | 1987-04-14 |
| 4654443 | Hydrolysis of isocyanate distillation bottoms | Maurice J. Marks, James R. Porter | 1987-03-31 |