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US 6,441,166 B1Granted
Sterically hindered amine compounds
AssigneeCiba Specialty Chemicals Corporation
InventorsDario Lazzari, Graziano Zagnoni, Stephen Mark Andrews
Life of this patent
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Abstract
A product containing 5 to 85% of a group (A-1-a) and/or (A-1-b) and 15 to 95% of a group (A-2), the total sum of the groups (A-1-a), (A-1-b) and (A-2) being 100%, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.
Claims11
A product containing
- 5 to 85% of a group (A-1-a) and/or (A-1-b)
- and 15 to 95% of a group (A-2),
- the total sum of the groups (A-1-a), (A-1-b) and (A-2) being 100%.
Dependencies are inferred from the claim text.