C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
400/5015, 400/55
C07D 211/58 (2006.01) C07D 405/14 (2006.01) C08G 71/04 (2006.01) C08K 5/34 (2006.01) C08L 57/00 (2006.01)
Patent
CA 1271758
Polymeric compounds containing piperidine radicals and their use as stabilisers for synthetic polymers Abstract Novel stablizers for synthetic polymers, which stabilisers are of the general formula: Image (I) in which R1 is hydrogen, O-, cyanomethyl, C1-C12-alkyl, C3-C12-alkenyl or -alkynyl, C7-C12-aralkyl, C1-C12-acyl, 2,3-epoxypropyl or -CH2- Image -OH where R5 is hydrogen, methyl, ethyl or phenyl, R2 is C2-C12-alkylene, C4-C18-alkylene interrupted by 1 or 2 oxygen or nitrogen atoms, C6-C12-cyclo- alkylene, C6-C12-arylene or C8-C12-aralkylene, R3 is hydro- gen, C1-C18-alkyl, C5-C18-cycloalkyl, C6-C18-aryl, C7- C18-aralkyl or a radical of the formula (II) Image (II) where R1 is as defined above, R4 is e.g. C2-C18-alkylene, C4-C12-alkylene interrupted by 1 or 2 oxygen atoms, C6-C18- cycloalkylene, C6-C18-arylene or C8-C18-aralkylene.
459021
Cantatore Giuseppe
Ciba-Geigy Investments Ltd.
Fetherstonhaugh & Co.
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