发明公开
- 专利标题: Polymeric flow improver additives
- 专利标题(中): Polymere fliessverbesserteZusätze。
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申请号: EP94202183.3申请日: 1994-07-25
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公开(公告)号: EP0636637A2公开(公告)日: 1995-02-01
- 发明人: Tomassen, Henricus Paulus Maria , van de Kamp, Christinus Cornelis , Reynhout, Marinus Johannes , Lin, Jian
- 申请人: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
- 申请人地址: Carel van Bylandtlaan 30 NL-2596 HR Den Haag NL
- 专利权人: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
- 当前专利权人: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
- 当前专利权人地址: Carel van Bylandtlaan 30 NL-2596 HR Den Haag NL
- 优先权: EP93305917 19930727
- 主分类号: C08F220/18
- IPC分类号: C08F220/18 ; C08F222/06 ; C10L1/18 ; C10M145/16
摘要:
The invention provides a copolymer of at least one n-(C₈-C₃₀-alkyl) (meth)acrylate with maleic anhydride, which contains alternating (meth)acrylate and maleic anhydride monomeric units, characterised in that the copolymer has a degree of alternation of at least 85%; a process for its preparation; a hydrocarbon oil composition containing it; and its use as a flow improver additive.
公开/授权文献
- EP0636637B1 Polymeric flow improver additives 公开/授权日:1998-12-09
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