| 发明名称 |
N-(2,2,6,6,-tetraalkylpiperidinyl-4)-N'-phenyl oxalic acid diamides |
| 摘要 |
Compounds are provided which are useful as light stabilizers for polymeric materials and which have the formula <IMAGE> wherein R1, R2 and R4 are organic radicals, R3 and R15 are hydrogen or organic radicals and R is hydrogen, oxygen or an organic radical.
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| 申请公布号 |
US4916175(A) |
申请公布日期 |
1990.04.10 |
| 申请号 |
US19870117778 |
申请日期 |
1987.11.05 |
| 申请人 |
SANDOZ LTD. |
发明人 |
AVAR, LAJOS |
| 分类号 |
C07D211/26;C07D211/58;C08K5/34;C08K5/3432;C08K5/3435;C08L101/00 |
主分类号 |
C07D211/26 |
| 代理机构 |
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