Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492533 | Bismethine benzodifuranone derivative colorants | Eric B. Stephens | 2002-12-10 |
| 6423764 | Method of producing colored polyester thermoplastic materials through specific solid-state procedures | Edward Zhao, Todd D. Danielson, Jason D. Sprinkle | 2002-07-23 |