Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814503 | Zeolite rho and ZK-5 catalysts for conversion of methanol and ammonia to dimethylamine | David Richard Corbin, Robert D. Shannon | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814503 | Zeolite rho and ZK-5 catalysts for conversion of methanol and ammonia to dimethylamine | David Richard Corbin, Robert D. Shannon | 1989-03-21 |