Patents by Inventor Kae Shin Wong
Kae Shin Wong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240025830Abstract: A method for purifying phenol can include contacting a first stream containing phenol with a second stream containing wastewater from a bisphenol-A (BPA) production process to form a third stream, distilling the third stream to form a fourth stream containing phenol and water, contacting the fourth stream with a fifth stream containing mother liquor from a BPA crystallization unit of the BPA production process to form a sixth stream, and distilling the sixth stream to form a products stream containing phenol.Type: ApplicationFiled: December 1, 2021Publication date: January 25, 2024Inventors: Lara Galan-Sanchez, Kae Shin Wong, Kadek Sumpena, Martino Trabuio
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Publication number: 20240018080Abstract: Systems and methods for recovering phenol have been disclosed. At least a portion of a wastewater stream from a bisphenol-A production process and a phenol stream that is produced by separating a crude phenol stream from a cumene based phenol production process are concurrently processed in a hydrocarbon removal unit to produce (i) a purified phenol stream comprising 95 to 99.9 wt. % phenol and (ii) an aqueous stream comprising water and byproducts of the phenol production process.Type: ApplicationFiled: October 8, 2021Publication date: January 18, 2024Inventors: Kadek Sumpena, Lara Galan-Sanchez, Frank Mostert, Kae Shin Wong
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Publication number: 20230406797Abstract: Systems and methods for recovering phenol have been disclosed. The methods of recovering phenol includes concurrently processing, in a phenol recovery unit, a crude phenol stream from a phenol production unit, and a bisphenol-A purge stream from a bisphenol-A production unit to produce a first product stream comprising 60 to 95 wt. % phenol. The phenol recovery unit comprises a crude phenol distillation column and a bisphenol-A-phenol distillation column. The processing includes distilling a bottom stream from the crude phenol distillation column in the bisphenol-A-phenol distillation column.Type: ApplicationFiled: October 11, 2021Publication date: December 21, 2023Inventors: Kadek Sumpena, Lara Galan-Sanchez, Frank Mostert, Kae Shin Wong, Martino Trabuio, Mark Erik Nelson
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Patent number: 10654767Abstract: The present invention relates to a process for producing alkylated aromatic hydrocarbons such as ethyl benzene or cumene from a mixed hydrocarbon feedstream comprising subjecting C6 cut separated from said mixed hydrocarbon feedstream to hydrocracking to provide benzene and subjecting said benzene to alkylation.Type: GrantFiled: June 25, 2015Date of Patent: May 19, 2020Assignee: SABIC Global Technologies B.V.Inventors: Dimitri Daniëls, Kae Shin Wong
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Patent number: 10414700Abstract: The present invention relates to a process for producing cumene and/or sec-butylbenzene comprising contacting benzene with a mixed olefins stream comprising ethylene and an alkylation agent in the presence of a selective alkylation catalyst under selective alkylation conditions.Type: GrantFiled: September 1, 2016Date of Patent: September 17, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Selvakumar Subramanian, Dimitri Daniëls, Kae Shin Wong, Andrew Mark Ward
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Patent number: 10344223Abstract: The invention relates to a process for hydrocracking a feedstream comprising hydrocarbons to obtain BTX in a gas phase hydrocracking reactor system which comprises (i) an upstream end and a downstream end, (ii) a plurality of successive reaction zones distributed along the reactor between the upstream end and the downstream end, wherein each of the reaction zones has a bed of a hydrocracking catalyst contained therein and (iii) a plurality of quench zones, the quench zones being distributed along the reactor and each being situated between successive reaction zones, wherein the process comprises: (a) injecting a first portion of a hydrogen gas into the upstream end and a first portion of a hydrocarbon gas into the upstream end and (b) injecting a second portion of the hydrogen gas into at least one of the quench zones and injecting a second portion of the hydrocarbon gas into at least one of the quench zones, wherein the molar ratio between hydrogen and hydrocarbons entering each of the reaction zones is 1:1Type: GrantFiled: May 3, 2016Date of Patent: July 9, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Kae Shin Wong, Christoph Dittrich, Emiel van Kimmenade
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Patent number: 10287517Abstract: The invention relates to a process for producing C2 and C3 hydrocarbons, comprising a) subjecting a mixed hydrocarbon stream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; and b) subjecting the first hydrocarbon product stream to C4 hydrocracking optimized for converting C4 hydrocarbons into C3 hydrocarbons in the presence of a C4 hydrocracking catalyst to obtain a C4 hydrocracking product stream comprising C2 and C3 hydrocarbons.Type: GrantFiled: December 15, 2015Date of Patent: May 14, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Arno Johannes Maria Oprins, Andrew P. Davies, Andrew Mark Ward, Kae Shin Wong, Luis Aramburo, Maikel Van Iersel
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Patent number: 10287518Abstract: The invention relates to a process for producing LPG and BTX, comprising a) subjecting a mixed hydrocarbon feedstream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; b) separating the first hydrocracking product stream to provide at least a light hydrocarbon stream comprising at least C2 and C3 hydrocarbons, a middle hydrocarbon stream comprising C4 and/or C5 hydrocarbons and a heavy hydrocarbon stream comprising at least C6+ hydrocarbons and c) subjecting the heavy hydrocarbon stream to second hydrocracking to produce a second hydrocracking product stream comprising BTX, wherein the second hydrocracking is more severe than the first hydrocracking, wherein at least part of the middle hydrocarbon stream is recycled back to the first hydrocracking in step a).Type: GrantFiled: December 15, 2015Date of Patent: May 14, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Arno Johannes Maria Oprins, Andrew P. Davies, Andrew Mark Ward, Kae Shin Wong, Luis Aramburo, Maikel Van Iersel
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Publication number: 20190127646Abstract: The invention relates to a process for hydrocracking a feedstream comprising hydrocarbons to obtain BTX in a gas phase hydrocracking reactor system which comprises (i) an upstream end and a downstream end, (ii) a plurality of successive reaction zones distributed along the reactor between the upstream end and the downstream end, wherein each of the reaction zones has a bed of a hydrocracking catalyst contained therein and (iii) a plurality of quench zones, the quench zones being distributed along the reactor and each being situated between successive reaction zones, wherein the process comprises: (a) injecting a first portion of a hydrogen gas into the upstream end and a first portion of a hydrocarbon gas into the upstream end and (b) injecting a second portion of the hydrogen gas into at least one of the quench zones and injecting a second portion of the hydrocarbon gas into at least one of the quench zones, wherein the molar ratio between hydrogen and hydrocarbons entering each of the reaction zones is 1:1Type: ApplicationFiled: May 3, 2016Publication date: May 2, 2019Inventors: Kae Shin Wong, Christoph Dittrich, Emiel van Kimmenade
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Patent number: 10174263Abstract: The invention relates to a process for producing C2 and C3 hydrocarbons, comprising a) subjecting a mixed hydrocarbon feedstream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; b) separating the first hydrocracking product stream to provide a light hydrocarbon stream comprising C4? hydrocarbons and c) subjecting the light hydrocarbon stream to C4 hydrocracking in the presence of a C4 hydrocracking catalyst to obtain a C4 hydrocracking product stream comprising C2 and C3 hydrocarbons.Type: GrantFiled: December 15, 2015Date of Patent: January 8, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Arno Johannes Maria Oprins, Andrew P. Davies, Andrew Mark Ward, Kae Shin Wong, Luis Aramburo, Maikel Van Iersel
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Patent number: 10087378Abstract: The invention relates to a process for producing LPG and BTX, comprising a) subjecting a mixed hydrocarbon stream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; b) separating the first hydrocracking product stream to provide at least a light hydrocarbon stream comprising at least C2 and C3 hydrocarbons, a middle hydrocarbon stream consisting of C4 and/or C5 hydrocarbons and a heavy hydrocarbon stream comprising at least C6+ hydrocarbons and c) subjecting the heavy hydrocarbon stream to second hydrocracking in the presence of a second hydrocracking catalyst to produce a second hydrocracking product stream comprising BTX, wherein the second hydrocracking is more severe than the first hydrocracking, d) wherein at least part of the middle hydrocarbon stream is subjected to C4 hydrocracking optimized for converting C4 hydrocarbons into C3 hydrocarbons in the presence of a C4 hydrocracking catalyst to produce a C4 hydrocracking product streaType: GrantFiled: December 15, 2015Date of Patent: October 2, 2018Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Arno Johannes Maria Oprins, Andrew Mark Ward, Andrew P. Davies, Kae Shin Wong, Luis Aramburo, Maikel Van Iersel
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Patent number: 10065904Abstract: The invention relates to a process for producing alkylated aromatic hydrocarbons comprising the steps of: (a) subjecting a mixed hydrocarbon feedstream comprising benzene to a separation to provide a C6 cut comprising benzene, wherein the C6 cut comprises at least 60 wt-% of C6 hydrocarbons; (b) subjecting the C6 cut to catalytic cracking or thermal cracking to provide a cracking product stream comprising benzene and C2-C4 alkenes and (c) after step (b), without pre-separation of the cracking product stream, subjecting the cracking product stream to conditions suitable for alkylation to provide an alkylation product stream rich in alkylated aromatic hydrocarbons, wherein the process further comprises the steps of separating benzene and benzene coboilers from the alkylation product stream to obtain a stream of benzene and benzene coboilers and wherein the stream of benzene and benzene coboilers is separated into a benzene-rich stream comprising a higher proportion of benzene than the stream of benzene and benzType: GrantFiled: August 27, 2015Date of Patent: September 4, 2018Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Kae Shin Wong, Andrew Mark Ward
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Publication number: 20180179123Abstract: The present invention relates to a process for producing cumene and/or sec-butylbenzene comprising contacting benzene with a mixed olefins stream comprising ethylene and an alkylation agent in the presence of a selective alkylation catalyst under selective alkylation conditions.Type: ApplicationFiled: September 1, 2016Publication date: June 28, 2018Inventors: Selvakumar Subramanian, Dimitri Daniëls, Kae Shin Wong, Andrew Mark Ward
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Publication number: 20170369795Abstract: The invention relates to a process for producing C2 and C3 hydrocarbons, comprising a) subjecting a mixed hydrocarbon stream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; and b) subjecting the first hydrocarbon product stream to C4 hydrocracking optimized for converting C4 hydrocarbons into C3 hydrocarbons in the presence of a C4 hydrocracking catalyst to obtain a C4 hydrocracking product stream comprising C2 and C3 hydrocarbons.Type: ApplicationFiled: December 15, 2015Publication date: December 28, 2017Inventors: Arno Johannes Maria OPRINS, Andrew P. DAVIES, Andrew Mark WARD, Kae Shin WONG, Luis ARAMBURO, Maikel van IERSEL
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Publication number: 20170349843Abstract: The invention relates to a process for producing C2 and C3 hydrocarbons, comprising a) subjecting a mixed hydrocarbon feedstream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; b) separating the first hydrocracking product stream to provide a light hydrocarbon stream comprising C4? hydrocarbons and c) subjecting the light hydrocarbon stream to C4 hydrocracking in the presence of a C4 hydrocracking catalyst to obtain a C4 hydrocracking product stream comprising C2 and C3 hydrocarbons.Type: ApplicationFiled: December 15, 2015Publication date: December 7, 2017Inventors: Arno Johannes Maria Oprins, Andrew P. Davies, Andrew Mark Ward, Kae Shin Wong, Luis Aramburo, Maikel Van Iersel
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Publication number: 20170342334Abstract: The invention relates to a process for producing LPG and BTX, comprising a) subjecting a mixed hydrocarbon stream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; b) separating the first hydrocracking product stream to provide at least a light hydrocarbon stream comprising at least C2 and C3 hydrocarbons, a middle hydrocarbon stream consisting of C4 and/or C5 hydrocarbons and a heavy hydrocarbon stream comprising at least C6+ hydrocarbons and c) subjecting the heavy hydrocarbon stream to second hydrocracking in the presence of a second hydrocracking catalyst to produce a second hydrocracking product stream comprising BTX, wherein the second hydrocracking is more severe than the first hydrocracking, d) wherein at least part of the middle hydrocarbon stream is subjected to C4 hydrocracking optimized for converting C4 hydrocarbons into C3 hydrocarbons in the presence of a C4 hydrocracking catalyst to produce a C4 hydrocracking product streaType: ApplicationFiled: December 15, 2015Publication date: November 30, 2017Inventors: Arno Johannes Maria Oprins, Andrew Mark Ward, Andrew P. Davies, Kae Shin Wong, Luis Aramburo, Maikel Van Iersel
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Publication number: 20170342335Abstract: The invention relates to a process for producing LPG and BTX, comprising a) subjecting a mixed hydrocarbon feedstream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; b) separating the first hydrocracking product stream to provide at least a light hydrocarbon stream comprising at least C2 and C3 hydrocarbons, a middle hydrocarbon stream comprising C4 and/or C5 hydrocarbons and a heavy hydrocarbon stream comprising at least C6+ hydrocarbons and c) subjecting the heavy hydrocarbon stream to second hydrocracking to produce a second hydrocracking product stream comprising BTX, wherein the second hydrocracking is more severe than the first hydrocracking, wherein at least part of the middle hydrocarbon stream is recycled back to the first hydrocracking in step a).Type: ApplicationFiled: December 15, 2015Publication date: November 30, 2017Inventors: Arno Johannes Maria OPRINS, Andrew P. DAVIES, Andrew Mark WARD, Kae Shin WONG, Luis ARAMBURO, Maikel VAN IERSEL
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Publication number: 20170253542Abstract: The invention relates to a process for producing alkylated aromatic hydrocarbons comprising the steps of: (a) subjecting a mixed hydrocarbon feedstream comprising benzene to a separation to provide a C6 cut comprising benzene, wherein the C6 cut comprises at least 60 wt-% of C6 hydrocarbons; (b) subjecting the C6 cut to catalytic cracking or thermal cracking to provide a cracking product stream comprising benzene and C2-C4 alkenes and (c) after step (b), without pre-separation of the cracking product stream, subjecting the cracking product stream to conditions suitable for alkylation to provide an alkylation product stream rich in alkylated aromatic hydrocarbons, wherein the process further comprises the steps of separating benzene and benzene coboilers from the alkylation product stream to obtain a stream of benzene and benzene coboilers and wherein the stream of benzene and benzene coboilers is separated into a benzene-rich stream comprising a higher proportion of benzene than the stream of benzene and benzType: ApplicationFiled: August 27, 2015Publication date: September 7, 2017Inventors: Kae Shin Wong, Andrew Mark Ward
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Publication number: 20170144946Abstract: The present invention relates to a process for producing alkylated aromatic hydrocarbons such as ethyl benzene or cumene from a mixed hydrocarbon feedstream comprising subjecting C6 cut separated from said mixed hydrocarbon feedstream to hydrocracking to provide benzene and subjecting said benzene to alkylation.Type: ApplicationFiled: June 25, 2015Publication date: May 25, 2017Applicant: SABIC Global Technologies B.V.Inventors: Dimitri Daniëls, Kae Shin Wong
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Patent number: RE49154Abstract: The invention relates to a process for producing LPG and BTX, comprising a) subjecting a mixed hydrocarbon stream to first hydrocracking in the presence of a first hydrocracking catalyst to produce a first hydrocracking product stream; b) separating the first hydrocracking product stream to provide at least a light hydrocarbon stream comprising at least C2 and C3 hydrocarbons, a middle hydrocarbon stream consisting of C4 and/or C5 hydrocarbons and a heavy hydrocarbon stream comprising at least C6+ hydrocarbons and c) subjecting the heavy hydrocarbon stream to second hydrocracking in the presence of a second hydrocracking catalyst to produce a second hydrocracking product stream comprising BTX, wherein the second hydrocracking is more severe than the first hydrocracking, d) wherein at least part of the middle hydrocarbon stream is subjected to C4 hydrocracking optimized for converting C4 hydrocarbons into C3 hydrocarbons in the presence of a C4 hydrocracking catalyst to produce a C4 hydrocracking product streaType: GrantFiled: October 2, 2020Date of Patent: August 2, 2022Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Arno Johannes Maria Oprins, Andrew Mark Ward, Andrew P. Davies, Kae Shin Wong, Luis Aramburo, Maikel Van Iersel