Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537362 | Polyphosphoric acid swelling of organic pigments | Edward Sung, Humberto Velasquez, George H. Roberston | 2003-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6537362 | Polyphosphoric acid swelling of organic pigments | Edward Sung, Humberto Velasquez, George H. Roberston | 2003-03-25 |