| 摘要 |
<p>3-15339/+/CHM 21 Novel piperidine compounds Novel piperidine compounds of the general formula (I) (I) in which m is an integer from 1 to 4, R1 and R2 are as defined in claim 1 and at least one 2,2,6,6-tetramethylpiperidinyl group, being present in R1 or R2 are useful as light stabilisers, heat stabilisers and oxidation stabilisers for organic material, especially for synthetic polymers.</p> |
