| 发明名称 |
COPOLYMERIC LIGHT STABILISERS AND UV-ABSORBERS |
| 摘要 |
<p>Copolymeric compounds which carry side N-hetero-cyclic rings and contain the recurring structural unit of the formula (I) (I) in which R1 and R2 are hydrogen and R3 is hydrogen or C1C4 alkyl and R4 is a N-heterocyclic substituent, their preparation and their use as light stabilisers and UV absorbers in organic material and also the organic material stabilised with the aid of these compounds.</p> |
| 申请公布号 |
CA1133485(A) |
申请公布日期 |
1982.10.12 |
| 申请号 |
CA19790337405 |
申请日期 |
1979.10.11 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
KARRER, FRIEDRICH |
| 分类号 |
C07D211/46;C07D249/20;C07D471/10;C08F20/00;C08F20/34;C08F20/52;C08F20/60;C08L1/00;C08L7/00;C08L21/00;C08L23/00;C08L27/00;C08L33/00;C08L33/02;C08L51/00;C08L51/02;C08L67/00;C08L101/00;(IPC1-7):08F220/34 |
主分类号 |
C07D211/46 |
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代理人 |
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