公开(公告)号：US20200369972A1

公开(公告)日：2020-11-26

申请号：US16993668

申请日：2020-08-14

Applicant: BASF SE

Inventor： Ivette GARCIA CASTRO ,  Kai GUMLICH ,  Stefan FRENZEL ,  Maria HEUKEN ,  Rouven KONRAD ,  Karin NEUBECKER ,  Edward BOHRES ,  Adam BLANAZS

IPC: C10L1/196 ,  C10L10/04 ,  C10L10/16 ,  C10L10/14

Abstract: Copolymers comprising C14 to C50 olefins and at least two different olefindicarboxylic esters and optionally maleic acid or maleic acid derivatives. The olefindicarboxylic esters are firstly esters with linear C18- to C50-alkyl groups and secondly esters with short-chain linear, branched or cyclic alkyl groups, or esters with aromatic groups. The invention further relates to a process for preparing copolymers of this kind and to the use thereof as pour point depressant for crude oil, mineral oil and/or mineral oil products, preferably as pour point depressant for crude oil.

公开(公告)号：US20180355266A1

公开(公告)日：2018-12-13

申请号：US15778723

申请日：2016-11-17

Applicant: BASF SE

Inventor： IVETTE GARCIA CASTRO ,  Kai GUMLICH ,  Stefan FRENZEL ,  Maria HEUKEN ,  Rouven KONRAD ,  Karin NEUBECKER ,  Edward BOHRES ,  Adam BLANAZS

IPC: C10L1/196 ,  C10L10/04 ,  C10L10/16

Abstract: Copolymers comprising C14 to C50 olefins and at least two different olefindicarboxylic esters and optionally maleic acid or maleic acid derivatives. The olefindicarboxylic esters are firstly esters with linear C18- to C50-alkyl groups and secondly esters with short-chain linear, branched or cyclic alkyl groups, or esters with aromatic groups. The invention further relates to a process for preparing copolymers of this kind and to the use thereof as pour point depressant for crude oil, mineral oil and/or mineral oil products, preferably as pour point depressant for crude oil.