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公开(公告)号:US20220002614A1
公开(公告)日:2022-01-06
申请号:US17295903
申请日:2019-11-19
申请人: BASF SE
摘要: The present invention relates to a method of producing mineral oil from an underground mineral oil deposit, in which an aqueous saline surfactant formulation comprising a surfactant mixture, for the purpose of lowering the interfacial tension between oil and water to
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公开(公告)号:US20220033730A1
公开(公告)日:2022-02-03
申请号:US17297415
申请日:2019-11-14
申请人: BASF SE
发明人: Marcel HARHAUSEN , Frank RITTIG , David LEY , Michael ROIDA , Wolfgang SCHROF
IPC分类号: C10M169/04 , C10M107/34 , C10M133/12 , C10M135/26 , C10M141/08
摘要: The invention relates to a lubricant comprising a polyalkylene glycol basestock, an aromatic amine of the formula (I) as defined hereinafter, and a thioether of the formula (II) as defined hereinafter. The invention further relates to a method for preparing the lubricant comprising the step of contacting the polyalkylene glycol basestock, the aromatic amine of the formula (I), and the thioether of the formula (II); and to a method for reducing the oxidative degradation of the lubricant comprising the step of contacting the polyalkylene glycol basestock, the aromatic amine of the formula (I), and the thioether of the formula (II).
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3.
公开(公告)号:US20200239762A1
公开(公告)日:2020-07-30
申请号:US16617575
申请日:2018-05-16
申请人: BASF SE , Wintershall Holding GmbH
发明人: Christian BITTNER , Guenter OETTER , Christian SPINDLER , Hans BULLIEN , David LEY , Lorenz SIGGEL
摘要: The present invention relates to a method of producing mineral oil from underground mineral oil deposits, in which an aqueous saline surfactant formulation comprising a surfactant mixture, for the purpose of lowering the interfacial tension between oil and water to
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