| 发明名称 |
PROCESS FOR PREPARING HINDERED AMINE LIGHT STABILIZERS |
| 摘要 |
Disclosed is a process for the preparation of hindered amine light stabilizers by reacting (a) an alkyl substituted-4-hydroxypiperidine with (b) a dicarboxylic acid ester, in the presence of a catalyst system comprising a basic inorganic compound and a polar aprotic organic compound. |
| 申请公布号 |
ZA9202424(B) |
申请公布日期 |
1992.12.30 |
| 申请号 |
ZA19920002424 |
申请日期 |
1992.04.02 |
| 申请人 |
HIMONT INCORPORATED |
发明人 |
GLEASON O. COOKSON;VU A. DANG;KRISHNA RAMAN |
| 分类号 |
B01J23/04;B01J31/02;C07B61/00;C07C67/03;C07D211/46;C07D401/12;C08K5/3435;C09K15/30 |
主分类号 |
B01J23/04 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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