发明授权
- 专利标题: Compositions and methods for inhibiting fouling of vinyl monomers
- 专利标题(中): 抑制乙烯基单体结垢的组合物和方法
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申请号: US844862申请日: 1997-04-22
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公开(公告)号: US5858176A公开(公告)日: 1999-01-12
- 发明人: Graciela B. Arhancet
- 申请人: Graciela B. Arhancet
- 申请人地址: PA Trevose
- 专利权人: BetzDearborn Inc.
- 当前专利权人: BetzDearborn Inc.
- 当前专利权人地址: PA Trevose
- 主分类号: B01D3/34
- IPC分类号: B01D3/34 ; C02F5/14 ; F17C1/00 ; A45C11/02 ; C02F1/00
摘要:
Methods and compositions for inhibiting fouling in vinyl monomers are disclosed. Alkylphosphonate esters or acids thereof are added to vinyl monomers, particularly ethylene dichloride, that are undergoing processing to inhibit fouling.
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