C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 405/14 (2006.01) C07D 413/14 (2006.01) C07D 491/18 (2006.01) C07D 498/18 (2006.01) C08K 5/15 (2006.01) C08K 5/3435 (2006.01) C08K 5/357 (2006.01) C09J 201/00 (2006.01)
Patent
CA 2070256
A-18669/A/CHM 62 Novel piperidine compounds containing a tetrahydrofuran ring for use as stabilisers for organic materials. Abstract of the Disclosure The present invention relates to novel tetramethylpiperidine compounds of the general formula (I) Image (I) in which X and Y are e.g. a group of the formula (IIa) or (IIb) Image , Image (IIa) (IIb) in which R1 and R2 are e.g. hydrogen or methyl. The said compounds are effective stabilisers for organic materials, in particular synthetic polymers, against the action of light, heat and oxidation.
Scrima Roberto
Zagnoni Graziano
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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