C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
400/7085, 260/24
C07D 401/12 (2006.01) C07D 211/58 (2006.01) C07D 401/14 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C08K 5/3492 (2006.01)
Patent
CA 1337987
Compounds containing substituted piperidine groups, of the general for-mula (I) Image (I) in which n is e.g. 1, 2 or 3, R1 is e.g. hydrogen or methyl, R2 is e.g. ethylene or trimethylene and if n is 1, A is e.g. hydrogen, -COOC18H37-n or -COC11H23-n, if n is 2, A is e.g. -CO-(CH2)4-OC- or Image and if n is 3, A is e.g. Image , are effective stabilizers for organic materials, especially synthetic polymers, which are subject to the action of light, heat and oxidation.
607283
Cantatore Giuseppe
Vignali Graziano
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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