发明授权
US5368777A Use of dispersant additives as process antifoulants 失效
使用分散剂添加剂作为工艺防污剂

  • 专利标题: Use of dispersant additives as process antifoulants
  • 专利标题(中): 使用分散剂添加剂作为工艺防污剂
  • 申请号: US423
    申请日: 1993-01-04
  • 公开(公告)号: US5368777A
    公开(公告)日: 1994-11-29
  • 发明人: David R. Forester
  • 申请人: David R. Forester
  • 申请人地址: PA Trevose
  • 专利权人: Betz Laboratories, Inc.
  • 当前专利权人: Betz Laboratories, Inc.
  • 当前专利权人地址: PA Trevose
  • 主分类号: C10G9/16
  • IPC分类号: C10G9/16
Use of dispersant additives as process antifoulants
摘要:
Reaction products of polyalkenylsuccinic anhydrides with a prereacted product of polyamine and a cyclic carbonate are used as effective antifoulants in liquid hydrocarbonaceous mediums, such as crude oils, during processing of such liquids at elevated temperatures.
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