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 代理人
主权项
地址