C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 401/14 (2006.01) C07D 405/14 (2006.01) C07D 413/14 (2006.01) C08K 5/34 (2006.01) C08K 5/3445 (2006.01) C08L 101/00 (2006.01)
Patent
CA 2085379
A-18893/A/CHM-65 Novel tetramethylpiperidine compounds for use as stabilisers for organic materials. Abstract of the disclosure The present invention relates to novel tetramethylpiperidine compounds of the formula (I) Image (I) in which R1 is e.g. hydrogen or methyl, R2 and R3 are e.g. -(CH2)2-,R4 is e.g. -CO-, -COCO- or -COCH2CO-, n is e.g. 1 and R5 is e.g. hydrogen or allyl. These compounds are suitable for use as light stabilisers, heat stabilisers and oxidation stabilisers for organic materials.
Borzatta Valerio
Vignali Graziano
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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