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公开(公告)号：US10662144B2
公开(公告)日：2020-05-26
申请号：US16060309
申请日：2016-12-06
发明人： Feng Xu , Flaiyh Al-Anazi
IPC分类号： C07C213/10 , C07F5/02 , C07D215/08 , C07D215/10 , C07D215/12
摘要： A method of reducing color in an alkanolamine is described. The method includes contacting the alkanolamine with a color-reducing amount of a borane complex effective to provide a color-reduced alkanolamine composition having a Platinum-Cobalt Color Value, according to Test Method ASTM D1209, of less than 50.
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公开(公告)号：US11203568B2
公开(公告)日：2021-12-21
申请号：US16062385
申请日：2016-12-23
发明人： Feng Xu , Flaiyh Al-Anazi
IPC分类号： C07C213/10 , C07C215/12 , C01B35/04 , C01D1/04
摘要： A method of reducing color in an alkanolamine, the method comprising: contacting the alkanolamine with an amount of an aqueous solution effective to provide 5 to 1000 parts per million by weight of an alkali metal borohydride, based on parts by weight of the alkanolamine; and 0.5 to 10,000 parts per million by weight of an alkali metal hydroxide, based on parts by weight of the alkanolamine; preferably wherein the color-reduced alkanolamine is not distilled after the contacting.
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3.发明授权公开(公告)号：US11254787B2
公开(公告)日：2022-02-22
申请号：US16639814
申请日：2018-08-17
发明人： Flaiyh Al-Anazi , Mohammed Bakalla
摘要： A method of preparing a mono(C4-32 hydrocarbyl) ester of a mono(C1-4 alkyl)polyoxyalkylene glycol by contacting a C1-4 alcohol and an alkylene oxide comprising ethylene oxide, propylene oxide, or a combination comprising at least one of the foregoing under conditions effective to provide a first mono(C1-4 alkyl)polyoxyalkylene glycol having a first average degree of polymerization; contacting the first mono(C1-4 alkyl)polyoxyalkylene glycol and the alkylene oxide under conditions effective to provide a second mono(C1-4 alkyl)polyoxyalkylene glycol having a second average degree of polymerization that is higher than the first average degree of polymerization; and contacting the second (C1-4 alkyl)polyoxyalkylene glycol and a C4-32 carboxylic acid to provide the mono(CC4-32 hydrocarbyl) ester of a mono(C1-4 alkyl)polyoxyalkylene glycol.
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4.发明申请公开(公告)号：US20200247946A1
公开(公告)日：2020-08-06
申请号：US16639814
申请日：2018-08-17
发明人： Flaiyh Al-Anazi , Mohammed Bakalla
IPC分类号： C08G63/91
摘要： A method of preparing a mono(C4-32 hydrocarbyl) ester of a mono(C1-4 alkyl)polyoxyalkylene glycol, the method comprising: contacting a C1-4 alcohol and an alkylene oxide comprising ethylene oxide, propylene oxide, or a combination comprising at least one of the foregoing under conditions effective to provide a first mono(C1-4 alkyl)polyoxyalkylene glycol having a first average degree of polymerization; contacting the first mono(C1-4 alkyl)polyoxyalkylene glycol and the alkylene oxide under conditions effective to provide a second mono(C1-4 alkyl)polyoxyalkylene glycol having a second average degree of polymerization that is higher than the first average degree of polymerization; and contacting the second (C1-4 alkyl)polyoxyalkylene glycol and a C4-32 carboxylic acid to provide the mono(CC4-32 hydrocarbyl) ester of a mono(C1-4 alkyl)polyoxyalkylene glycol.
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5.发明申请公开(公告)号：US20180370899A1
公开(公告)日：2018-12-27
申请号：US16062385
申请日：2016-12-23
发明人： Feng Xu , Flaiyh Al-Anazi
IPC分类号： C07C213/10 , C07C215/12 , C01D1/04 , C01B35/04
摘要： A method of reducing color in an alkanolamine, the method comprising: contacting the alkanolamine with an amount of an aqueous solution effective to provide 5 to 1000 parts per million by weight of an alkali metal borohydride, based on parts by weight of the alkanolamine; and 0.5 to 10,000 parts per million by weight of an alkali metal hydroxide, based on parts by weight of the alkanolamine; preferably wherein the color-reduced alkanolamine is not distilled after the contacting.
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公开(公告)号：US11746080B2
公开(公告)日：2023-09-05
申请号：US16809910
申请日：2020-03-05
发明人： Feng Xu , Flaiyh Al-Anazi
IPC分类号： C07C213/10 , C07F5/02 , C07D215/08 , C07D215/10 , C07D215/12
CPC分类号： C07C213/10 , C07F5/022 , C07F5/027 , C07D215/08 , C07D215/10 , C07D215/12 , C07C213/10 , C07C215/08 , C07C213/10 , C07C215/10 , C07C213/10 , C07C215/12
摘要： A method of reducing color in an alkanolamine is described. The method includes contacting the alkanolamine with a color-reducing amount of a borane complex effective to provide a color-reduced alkanolamine composition having a Platinum-Cobalt Color Value, according to Test Method ASTM D1209, of less than 50.
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公开(公告)号：US11702382B2
公开(公告)日：2023-07-18
申请号：US17511119
申请日：2021-10-26
发明人： Feng Xu , Flaiyh Al-Anazi
IPC分类号： C07C213/10 , C07C215/12 , C01B35/04 , C01D1/04
CPC分类号： C07C213/10 , C01B35/04 , C01D1/04 , C07C215/12 , C07C213/10 , C07C215/12
摘要： A method of reducing color in an alkanolamine, the method comprising: contacting the alkanolamine with an amount of an aqueous solution effective to provide 5 to 1000 parts per million by weight of an alkali metal borohydride, based on parts by weight of the alkanolamine; and 0.5 to 10,000 parts per million by weight of an alkali metal hydroxide, based on parts by weight of the alkanolamine; preferably wherein the color-reduced alkanolamine is not distilled after the contacting.
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公开(公告)号：US20200181054A1
公开(公告)日：2020-06-11
申请号：US16316644
申请日：2017-07-12
摘要： A method for purifying acetone includes contacting an initial solution with a basic ion-exchange resin at a temperature of 15° C. to 30° C., wherein the initial solution comprises acetone and acetone impurities; and removing the acetone impurities from the initial solution with the basic ion-exchange resin to produce a purified solution.
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公开(公告)号：US20170362515A1
公开(公告)日：2017-12-21
申请号：US15532733
申请日：2015-12-02
发明人： Flaiyh Al-Anazi , Syed Hashmi
CPC分类号： C10G50/00 , C01B3/26 , C10B53/02 , C10G9/00 , C10G45/68 , C10G2300/1011 , C10G2300/1014 , C10G2300/1018 , C10G2400/30 , C12F3/02 , C12P5/023 , Y02E50/14 , Y02E50/343 , Y02P20/145 , Y02P30/20
摘要： A method of producing an aromatic chemical, comprises: providing a feedstock comprising biomass to a first reactor to produce a first product stream, wherein the first product stream comprises methane and carbon dioxide; combining the first product stream with a recycle stream to form a second reactor feed stream; passing the second reactor feed stream through a second reactor to produce a second product stream comprising aromatics and hydrogen gas; recovering aromatics from the second product stream to create a recovery stream depleted of aromatics; combining the recovery stream with a stream comprising carbon dioxide to form a combined recovery stream; passing the combined recovery stream to a third reactor to produce the recycle stream comprising gas; and forming an aromatic chemical from the second product stream.
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公开(公告)号：US10737994B2
公开(公告)日：2020-08-11
申请号：US16316644
申请日：2017-07-12
摘要： A method for purifying acetone includes contacting an initial solution with a basic ion-exchange resin at a temperature of 15° C. to 30° C., wherein the initial solution comprises acetone and acetone impurities; and removing the acetone impurities from the initial solution with the basic ion-exchange resin to produce a purified solution.
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