Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700846 | Polyurea foam made from a partially aminated polyether polyamine | Robert A. Grigsby, Jr. | 1997-12-23 |
| 5646235 | Reductive alkylation of polyamines | Wheeler C. Crawford, Rodney F. Lloyd | 1997-07-08 |
| 5616677 | Preparation of sprayable aliphatic polyurea elastomers having improved properties | Dudley J. Primeaux, II | 1997-04-01 |