Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1986-07-08
1988-05-17
Kight, John
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
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.
Hoechst Aktiengesellschaft
Kight John
Morgan Kriellion
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