Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338471 | Process for preparing phenol | Sumio Umemura, Taizo Uda | 1982-07-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338471 | Process for preparing phenol | Sumio Umemura, Taizo Uda | 1982-07-06 |