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公开(公告)号：US20210198129A1
公开(公告)日：2021-07-01
申请号：US17270330
申请日：2019-08-21
申请人： Innospec Limited
发明人： Philip Maltas
摘要： The use of the combination of (a) an amino compound and (b) a compound including a soft electrophilic centre to scavenge and retain acidic sulfide species at a higher temperature and/or scavenge acidic sulfide species at an increased rate compared to that achieved using the amino compound alone.
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公开(公告)号：US20210179926A1
公开(公告)日：2021-06-17
申请号：US17270391
申请日：2019-08-21
申请人： Innospec Limited
发明人： Philip Maltas
IPC分类号： C09K8/54 , C09K8/52 , C10G29/26 , C10G75/00 , C10L3/10 , C10G29/20 , B01D53/14 , B01D53/52 , B01D53/78 , C02F1/28
摘要： The use of the combination of (a) an imine compound and (b) a compound including a soft electrophilic centre to scavenge and retain acidic sulfide species at a higher temperature and/or scavenge acidic sulfide species at an increased rate compared to that achieved using the imine compound alone.
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公开(公告)号：US11988608B2
公开(公告)日：2024-05-21
申请号：US16633349
申请日：2018-08-06
申请人： INNOSPEC LIMITED
发明人： Philip Maltas
CPC分类号： G01N21/78 , G01N21/272 , G01N21/293 , G01N33/2823 , G01N33/287
摘要： A method for determining the presence of an acidic sulfide species in a liquid sample of an industrial or environmental material. The method includes the step of contacting the sample or an extract thereof with a composition including a metal complex dye compound in which the electromagnetic absorption spectrum of the metal complex dye compound changes upon reaction with an acidic sulfide species.
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公开(公告)号：US20210197116A1
公开(公告)日：2021-07-01
申请号：US17270375
申请日：2019-08-21
申请人： Innospec Limited
发明人： Philip Maltas
摘要： A method of scavenging acid sulfide species from an industrial or environmental material, the method comprising contacting the material with: (a) propenal and/or maleimide and/or ethyl-2-chloroacetoacetate; and (b) a base.
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