Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464773 | Toluene sulfonic acid swelling of perylene pigments | Edward Sung, George H. Robertson | 2002-10-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464773 | Toluene sulfonic acid swelling of perylene pigments | Edward Sung, George H. Robertson | 2002-10-15 |