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.

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：US20170158796A1

公开(公告)日：2017-06-08

申请号：US15434935

申请日：2017-02-16

Applicant: BASF SE

Inventor： Dieter FAUL ,  Ivette GARCIA CASTRO ,  Kai GUMLICH ,  Maria HEUKEN ,  Rouven KONRAD ,  Karin NEUBECKER ,  Stefan FRENZEL

IPC: C08F255/02 ,  C10M145/14 ,  C10G71/00

CPC classification number: C08F255/026 ,  C08F220/18 ,  C09K8/524 ,  C10G71/00 ,  C10L10/16 ,  C10L2200/0438 ,  C10L2230/14 ,  C10L2250/04 ,  C10M145/14 ,  C10M159/005 ,  C10M2203/1006 ,  C10M2205/022 ,  C10M2209/084 ,  C10N2230/02 ,  C10M2209/062 ,  C08F2220/1891 ,  C08F2220/1875 ,  C08F2220/1825 ,  C08F2220/1841

Abstract: Polymeric compositions obtainable by free-radical polymerization of at least two different alkyl (meth)acrylates in the presence of at least one ethylene-vinyl ester copolymer, the alkyl (meth)acrylates used being a mixture comprising alkyl (meth)acrylates having linear C12- to C60-alkyl radicals and different alkyl (meth)acrylates having linear C1- to C11-alkyl radicals and/or branched C4- to C60-alkyl radicals and/or cyclic C6- to C20-alkyl radicals. The use of such polymeric compositions as pour point depressants for crude oils, mineral oils or mineral oil products.