Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4411974 | Ortho-halo phenyl carboxylic acid charge enhancing additives | Chin H. Lu, Peter F. Erhardt | 1983-10-25 |
| 4411975 | Para-halo phenyl carboxylic acid charge enhancing additives | Chin H. Lu | 1983-10-25 |