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US 2004/0167255 A1Published application
Stabilizer composition
AssigneeEverlight USA, Inc.
InventorsChung-In Lee, Ming-Ho Chiu
Life of this patent
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Abstract
A stabilizer composition which includes (a) a UV absorber of foramidine derivative, (b) a UV absorber of benzotriazole derivative, and (c) an antioxidant is disclosed. The stabilizer composition disclosed here are suitable for improving the stabilization of the organic polymers to against the degradation by light.
Claims13
A stabilizer composition for improving discoloration of an organic polymer caused by light;
- comprising:
- (a) 5-90 wt. % UV absorber of foramidine derivative;
- (b) 5-90 wt. % UV absorber of benzotriazole derivative;
- and
- (c) 5-90 wt. % antioxidant.
2 more elements
Dependencies are inferred from the claim text.