1-oxa-3-oxo-4,8-diaza-spiro(4,5)decane compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

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Details

524 94, C07D49810, C08K 535

Patent

active

047451920

ABSTRACT:
1-Oxa-3-oxo-4,8-diaza-spiro[4,5]decane compounds of the formula ##STR1## are novel light stabilizers for protecting polymers from the damaging effect of UV radiation.

REFERENCES:
patent: 4314933 (1982-02-01), Berner
patent: 4405735 (1983-09-01), Wiezer et al.

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