Claims
- 1. A liquid ultraviolet absorber compound exhibiting a Gardner color value of at most 11, wherein said ultraviolet absorber exhibits an extraction level from polyethylene terephthalate measured as the level of absorbance exhibited by a heated alcohol extract solution after 2 hours exposure of at most 0.1 absorbance units within a cell having a 10.0 cm optical path length.
- 2. The liquid ultraviolet absorber of claim 1 wherein said compound exhibits an extraction level of at most 0.05 absorbance units.
- 3. The liquid ultraviolet absorber of claim 2 wherein said compound exhibits an extraction level of at most 0.025 absorbance units.
- 4. The liquid ultraviolet absorber of claim 3 wherein said compound exhibits an extraction level of 0.0 absorbance units.
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application is a continuation of co-pending application Ser. No. 09/934,376, filed on Aug. 21, 2001. This parent application is herein entirely incorporated by reference.
Continuations (1)
|
Number |
Date |
Country |
Parent |
09934376 |
Aug 2001 |
US |
Child |
10336081 |
Jan 2003 |
US |