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Patent Agency Ranking
公开(公告)号：US12053736B2
公开(公告)日：2024-08-06
申请号：US18090614
申请日：2022-12-29
Inventor： Graeme Puxty , Michael Webster-Gardiner , William Conway , Qi Yang , Robert Bennett , Paul Feron
CPC classification number: B01D53/1425 , B01D53/1475 , B01D53/1493 , B01D53/62 , B01D53/78 , B01D53/96 , B01D2252/20421 , B01D2252/20457 , B01D2257/504
Abstract: The invention provides a process for regenerating a liquid absorbent, comprising: contacting the liquid absorbent with a hydrophobic medium, wherein the liquid absorbent comprises at least one amine of Formula (I) and degradation product thereof comprising at least one imine of Formula (II), wherein each Ar is independently an aromatic group and each R is independently selected from hydrogen, an organyl group and NH2; and selectively extracting the degradation product into or through the hydrophobic medium.
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公开(公告)号：US11602714B2
公开(公告)日：2023-03-14
申请号：US17392867
申请日：2021-08-03
Inventor： Graeme Douglas Puxty , William Conway , Qi Yang , Paul Hubert Maria Feron
Abstract: A process for absorbing carbon dioxide from a gas stream containing carbon dioxide, including the steps of contacting the gas stream with an aqueous composition including a substituted heteroaromatic compound having a six-membered heteroaromatic ring with from 1 to 3 nitrogen atoms in the heteroaromatic ring and at least one substituent wherein at least one of the substituents is of formula —R1NH2 wherein R1 is selected from C1 to C6 alkylene and ethers of formula —R2—O—R3— wherein R2 and R3 are C1 to C3 alkylene.
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公开(公告)号：US11123684B2
公开(公告)日：2021-09-21
申请号：US16317134
申请日：2018-05-22
Inventor： Graeme Douglas Puxty , William Conway , Qi Yang , Paul Hubert Maria Feron
Abstract: A process for absorbing carbon dioxide from a gas stream containing carbon dioxide, including contacting the gas stream with an aqueous composition having a substituted heteroaromatic compound including a six-membered heteroaromatic ring comprising from 1 to 3 nitrogen atoms in the heteroaromatic ring and at least one substituent wherein at least one of the substituents is of formula —R1NH2 wherein R1 is selected from C1 to C6 alkylene and ethers of formula —R2—O—R3— wherein R2 and R3 are C1 to C3 alkylene.
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公开(公告)号：US12023624B2
公开(公告)日：2024-07-02
申请号：US18171780
申请日：2023-02-21
Inventor： Graeme Douglas Puxty , William Conway , Qi Yang , Paul Hubert Maria Feron
CPC classification number: B01D53/1493 , B01D53/1475 , B01D53/62 , B01D53/78 , C01B32/50 , B01D2252/2041 , B01D2252/20421 , B01D2252/20426 , B01D2252/20431 , B01D2252/20457 , B01D2252/20473 , B01D2252/20484 , B01D2252/504 , B01D2257/504
Abstract: A process for absorbing carbon dioxide from a gas stream containing carbon dioxide, including the steps of contacting the gas stream with an aqueous composition including a substituted heteroaromatic compound having a six-membered heteroaromatic ring with from 1 to 3 nitrogen atoms in the heteroaromatic ring and at least one substituent wherein at least one of the substituents is of formula —R1NH2 wherein R1 is selected from C1 to C6 alkylene and ethers of formula —R2—O—R3— wherein R2 and R3 are C1 to C3 alkylene.
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公开(公告)号：US11607642B2
公开(公告)日：2023-03-21
申请号：US17292637
申请日：2019-11-20
Inventor： Graeme Puxty , Michael Webster-Gardiner , William Conway , Qi Yang , Robert Bennett , Paul Feron
Abstract: The invention provides a process for regenerating a liquid absorbent, including: contacting the liquid absorbent with a hydrophobic medium, wherein the liquid absorbent includes at least one amine of Formula (I) and degradation product thereof including at least one imine of Formula (II), wherein each Ar is independently an aromatic group and each R is independently selected from hydrogen, an organyl group and NH2; and selectively extracting the degradation product into or through the hydrophobic medium.
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