Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6602447 | Low-color ultraviolet absorbers for high UV wavelength protection applications | Todd D. Danielson, Xiaodong Zhao, Mary E. Mason, Daniel Connor, Eric B. Stephens +1 more | 2003-08-05 |
| 6559216 | Low-color ultraviolet absorber compounds and compositions thereof | Xiaodong Zhao, Todd D. Danielson, Mary E. Mason, Daniel Connor, Eric B. Stephens +1 more | 2003-05-06 |