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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
Applicant: BASF SE
Inventor： Christian BITTNER , Christian SPINDLER , Guenter OETTER , David LEY , Lorenz SIGGEL
Abstract: 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
Applicant: BASF SE
Inventor： Marcel HARHAUSEN , Frank RITTIG , David LEY , Michael ROIDA , Wolfgang SCHROF
IPC: C10M169/04 , C10M107/34 , C10M133/12 , C10M135/26 , C10M141/08
Abstract: 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.发明申请公开(公告)号：US20200239762A1
公开(公告)日：2020-07-30
申请号：US16617575
申请日：2018-05-16
Applicant: BASF SE , Wintershall Holding GmbH
Inventor： Christian BITTNER , Guenter OETTER , Christian SPINDLER , Hans BULLIEN , David LEY , Lorenz SIGGEL
Abstract: 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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