发明授权
- 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
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申请号: US423申请日: 1993-01-04
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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
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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