Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5124426 | Sprayable polyurea elastomer made from reaction of isocyanate compound with amine terminated polyether and di(methylthio)toluene diamine and diethyltoluene diamine chain extenders | Robert A. Grigsby, Jr., Doris M. Rice | 1992-06-23 |
| 5118728 | Spray polyurea elastomers using chopped glass roving | — | 1992-06-02 |
| 5082917 | Piperazine derivatives as chain extenders in polyurea elastomer systems and method making same | Wei-Yang Su, Donald H. Champion | 1992-01-21 |
| 5013813 | Polyurea elastomer with rapid dry time | Robert L. Zimmerman | 1991-05-07 |
| 4891086 | Strand coating method | Thomas Howard Austin | 1990-01-02 |