C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/278, 400/501
C07D 498/10 (2006.01) C07D 498/20 (2006.01) C07D 519/00 (2006.01) C08K 5/35 (2006.01) C09D 7/12 (2006.01)
Patent
CA 1285948
ABSTRACT OF THE DISCLOSURE 1-Oxa-3-oxo-4,8-diaza-spiro[4,5]decane compounds of the formula Image (I) are novel light stabilizers for protecting polymers from the damaging effect of UV radiation.
513424
Ertl Josef
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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