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公开(公告)号：US11986750B2
公开(公告)日：2024-05-21
申请号：US18114412
申请日：2023-02-27
CPC分类号： B01D11/0288 , B01D11/0203 , B08B3/04 , B29B17/00 , C08J11/08 , B01D11/0292 , B08B2220/00 , B08B2240/00 , B29B2017/0015 , B29B2017/0289 , B29B2017/0293 , B29K2105/26 , C08J7/02 , C08J2300/30
摘要： The present invention generally relates to a method of reducing contamination from plastics. The resulting purer plastic can be used in demanding applications.
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2.发明公开公开(公告)号：US20230332052A1
公开(公告)日：2023-10-19
申请号：US18128256
申请日：2023-03-30
IPC分类号： C10G1/04
CPC分类号： C10G1/047 , C10G2300/1003 , C10G2300/4012 , C10G2300/4006 , C10G2400/30 , C10G2400/20
摘要： Used AHP or its components is converted into low molecular weight hydrocarbons using HTT reactor. These low molecular weight hydrocarbons produce ethylene, propylene, and other chemicals when fed into a steam cracker, which can be used to produce recycled components of the AHP or a fully recycled AHP.
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公开(公告)号：US20230235149A1
公开(公告)日：2023-07-27
申请号：US18121677
申请日：2023-03-15
IPC分类号： C08J11/08
CPC分类号： C08J11/08 , C08J2323/06
摘要： A method for purifying a contaminated reclaimed polyethylene is provided. The method comprises obtaining the contaminated reclaimed polyethylene, extracting it with a solvent to produce an extracted contaminated reclaimed polyethylene, and then dissolving it in the solvent to produce a first suspension comprising dissolved polyethylene and suspended contaminants. The first suspension is settled to produce a second suspension comprising dissolved polyethylene and suspended remaining contaminants, and the second suspension is purified by contacting it with solid media to produce a third suspension comprising purer polyethylene. Finally, the purer polyethylene is separated from the third suspension and it has virgin-like optical properties.
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公开(公告)号：US11525047B2
公开(公告)日：2022-12-13
申请号：US16999127
申请日：2020-08-21
发明人： Dimitris Ioannis Collias , John Andrew McDaniel , Gary Wayne Gilbertson , Martin Ian James , Arsen Arsenov Simonyan
摘要： Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in an extensional flow device. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
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5.发明申请公开(公告)号：US20220134398A1
公开(公告)日：2022-05-05
申请号：US17498783
申请日：2021-10-12
摘要： Used AHP or its components is converted into low molecular weight hydrocarbons using HTT reactor. These low molecular weight hydrocarbons produce ethylene, propylene, and other chemicals when fed into a steam cracker, which can be used to produce recycled components of the AHP or a fully recycled AHP.
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公开(公告)号：US20220119618A1
公开(公告)日：2022-04-21
申请号：US17498781
申请日：2021-10-12
IPC分类号： C08J11/14 , C08F120/06
摘要： Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted into poly(acrylic acid) (PAA) in a hydrothermal treatment (HTT) reactor. The total energy used to degrade the SAP into PAA is less than about 50 MJ/kg SAP.
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公开(公告)号：US20210322894A1
公开(公告)日：2021-10-21
申请号：US17229906
申请日：2021-04-14
摘要： The present invention generally relates to a method of reducing contamination from plastics. The resulting purer plastic can be used in demanding applications.
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公开(公告)号：US11034641B2
公开(公告)日：2021-06-15
申请号：US16897331
申请日：2020-06-10
发明人： Jakob Albert , Peter Wasserscheid , Nicola Taccardi , Jens Nagengast , Matthias Kehrer , Julian Kadar , Dimitris Ioannis Collias
IPC分类号： C07C51/347 , B01J31/02 , B01J31/26 , C07C51/377 , B01J27/16 , B01J27/125 , B01J27/122 , B01J27/138
摘要： Methods for making acrylic acid, acrylic acid derivatives, or mixtures thereof by contacting a feed stream containing lactic acid, lactic acid derivatives, or mixtures thereof with a molten salt catalyst comprising an ionic liquid (IL) and an acid in liquid phase are provided.
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公开(公告)号：US11000834B2
公开(公告)日：2021-05-11
申请号：US16871181
申请日：2020-05-11
发明人： Juan Esteban Velasquez , Dimitris Ioannis Collias , Jane Ellen Godlewski , Fred Christian Wireko
IPC分类号： B01J27/195 , B01J27/18 , B01J27/16 , B01J37/04 , B01J37/08 , B01J23/20 , B01J35/02 , B01J37/00 , C07C51/00 , B01J27/186 , B01J27/187 , B01J27/188
摘要： Hydroxypropionic acid, hydroxypropionic acid derivatives, or mixtures thereof are dehydrated using a catalyst and a method to produce bio-acrylic acid, acrylic acid derivatives, or mixtures thereof. A method to produce the dehydration catalyst is also provided.
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公开(公告)号：US20210053028A1
公开(公告)日：2021-02-25
申请号：US16548873
申请日：2019-08-23
发明人： Dimitris Ioannis Collias , John Andrew McDaniel , Gary Wayne Gilbertson , Martin Ian James , Arsen Arsenov Simonyan
摘要： Poly(acrylic acid)-based superabsorbent polymer (SAP) in a feed stream is converted with UV irradiation into poly(acrylic acid) (PAA) in a flow system. The UV total energy used to convert SAP into PAA is less than about 50 MJ/kg SAP.
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