Invention Grant
- Patent Title: Polyamines, synthesis method thereof and use thereof for the selective elimination of H2S from a gaseous effluent comprising CO2
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Application No.: US16620078Application Date: 2018-05-28
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Publication No.: US11136434B2Publication Date: 2021-10-05
- Inventor: Bruno Delfort , Thierry Huard , Julien Grandjean
- Applicant: IFP Energies Nouvelles
- Applicant Address: FR Rueil-Malmaison
- Assignee: IFP Energies Nouvelles
- Current Assignee: IFP Energies Nouvelles
- Current Assignee Address: FR Rueil-Malmaison
- Agency: Millen White Zelano & Branigan
- Agent Csaba Henter
- Priority: FR1755176 20170609
- International Application: PCT/EP2018/063969 WO 20180528
- International Announcement: WO2018/224350 WO 20181213
- Main IPC: C08G73/06
- IPC: C08G73/06 ; C10L3/10 ; B01D53/78 ; B01D53/14
Abstract:
Polyamines of formula (I), their preparation method and their use in an absorbing solution based on amines in order to selectively eliminate H2S from a gaseous effluent containing H2S and CO2, which polyamines are obtained by a reaction between piperazine and an epihalohydrin or a 1,3-dihalo-2-propanol
Public/Granted literature
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