发明授权
US3975382A Pyrazol(5)/pyrazolone(5)metal complexes as stabilizers for organic
materials
失效
吡唑(5)/吡唑啉酮(5)金属络合物作为有机材料的稳定剂
- 专利标题: Pyrazol(5)/pyrazolone(5)metal complexes as stabilizers for organic materials
- 专利标题(中): 吡唑(5)/吡唑啉酮(5)金属络合物作为有机材料的稳定剂
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申请号: US558179申请日: 1975-03-14
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公开(公告)号: US3975382A公开(公告)日: 1976-08-17
- 发明人: Lajos Avar , Kurt Hofer
- 申请人: Lajos Avar , Kurt Hofer
- 申请人地址: CH Basel
- 专利权人: Sandoz Ltd.
- 当前专利权人: Sandoz Ltd.
- 当前专利权人地址: CH Basel
- 优先权: CH3931/74 19740321
- 主分类号: C07D231/22
- IPC分类号: C07D231/22 ; C09K15/30 ; C07D231/10
摘要:
The present invention concerns novel pyrazole (5) pyrazolone (5) metal complexes of the formula ##SPC1##Wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are substituents and Me is a transition metal,Useful in stabilizing sensitive organic material against the degradative effect of U.V. light.
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