Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853455 | Selected phosphoric acid esters as hardeners for epoxy resins | Kurt Amsler | 1989-08-01 |
| 4845234 | Salts of 2-m-propylimidazole | Kurt Amsler | 1989-07-04 |
| 4804479 | Process for detoxifying a bottoms draw-off from a high temperature chlorination reactor | William A. Wagner | 1989-02-14 |