Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902358 | High strength, storage stable, anthraquinone blue dye solutions | D. Roderick Baxter | 1999-05-11 |
| 5756844 | Concentrated aminoanthraquinone blue colorants | D. Roderick Baxter | 1998-05-26 |