Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160179 | Method of producing 4-nitro-m-phenylenediamine sulfate | Huayong Song | 2000-12-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160179 | Method of producing 4-nitro-m-phenylenediamine sulfate | Huayong Song | 2000-12-12 |