Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865831 | Recovery of zinc and ammonium chloride | Matt W. Oleksy | 1989-09-12 |
| 4804764 | Process for producing 2,3,5,6-tetrachloropyridine | — | 1989-02-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865831 | Recovery of zinc and ammonium chloride | Matt W. Oleksy | 1989-09-12 |
| 4804764 | Process for producing 2,3,5,6-tetrachloropyridine | — | 1989-02-14 |