Stabilizer mixture

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

Reexamination Certificate

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Details

C252S400210, C252S400620, C252S401000, C252S402000, C252S403000, C524S091000, C524S100000, C524S190000, C524S359000

Reexamination Certificate

active

06913712

ABSTRACT:
Mixtures of compounds comprising a compound G2and at least one further compound from the group G0, G1, G3, G4, G5, G6, the compounds G0-G6corresponding to formula (I) in which, in the compound G0, the radicals R1, R2, R3, R4, R5and R6are each hydrogen; G1, the radical R1is Q and R2, R3, R4, R5and R6are each hydrogen; G2, the radicals R1and R2independently of one another are each Q and R3, R4, R5and R6are each hydrogen; G3the radicals R1, R2and R3independently of one another are each Q and R4, R5and R6are each hydrogen; G4, the radicals R1, R2, R3and R4independently of one another are each Q and R5and R6are each hydrogen; G5, the radicals R1, R2, R3, R4and R5independently of one another are each Q and R6is hydrogen; G6, the radicals R1, R2, R3, R4, R5and R6independently of one another are each Q; and Q and the other symbols are as defined in claim 1, are effective as stabilizers for organic material with respect to damaging exposure to light, oxygen and/or heat.

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