发明名称 |
Compositions and methods for inhibiting vinyl aromatic monomer polymerization. |
摘要 |
Methods and compositions are provided for inhibiting the polymerization of vinyl aromatic monomers under distillation conditions. The compositions comprise a combination of a phenylenediamine compound and a hydroxylamine compound. |
申请公布号 |
EP0594341(A1) |
申请公布日期 |
1994.04.27 |
申请号 |
EP19930308135 |
申请日期 |
1993.10.12 |
申请人 |
BETZ EUROPE, INC. |
发明人 |
ARHANCET, GRACIELA BARBIERI;HENRICI, INGE KLARA |
分类号 |
C07B63/04;C07C7/20 |
主分类号 |
C07B63/04 |
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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