Patents by Inventor Kareemuddin Mahaboob Shaik
Kareemuddin Mahaboob Shaik 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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Patent number: 11613717Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a methyl tertiary butyl ether unit producing a first process stream; passing the first process stream through a selective hydrogenation unit producing a second process stream; passing the second process stream through an isomerization unit producing a third process stream; and passing the third process stream through a hydration unit producing the fuel additive and a recycle stream.Type: GrantFiled: July 27, 2018Date of Patent: March 28, 2023Assignees: SABIC GLOBAL TECHNOLOGIES B.V., SAUDI ARABIAN OIL COMPANYInventors: Guillermo Leal, Kareemuddin Mahaboob Shaik, Mohammed Bismillah Ansari, Hiren Shethna, Zhonglin Zhang
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Patent number: 11518951Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a hydrogenation unit producing a hydrogenated stream; passing the hydrogenated stream through a distillation unit producing a first stream and a second stream; producing an isobutylene stream by passing the first stream through a molecular sieve unit; passing the isobutylene stream to a hydration unit as a feedstock for the fuel additive; and forming the fuel additive in the hydration unit.Type: GrantFiled: March 18, 2019Date of Patent: December 6, 2022Assignees: SABIC GLOBAL TECHNOLOGIES B.V., SAUDI ARABIAN OIL COMPANYInventors: Guillermo Leal, Naif Mohammed Al-Naddah Al-Otaibi, Kareemuddin Mahaboob Shaik, Mohammed Bismillah Ansari, Vijay Dinkar Bodas
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Patent number: 11427518Abstract: A method of producing a fuel additive includes producing a first product stream comprising butadiene by passing a feed stream comprising C4 hydrocarbons through a steam cracker; transforming greater than or equal to 90 weight % of the butadiene in the first product stream into a second product stream by passing the first product stream through a first hydrogenation unit, wherein the second product stream comprises 1-butene, 2-butene, n-butane, isobutylene, isobutane, or a combination thereof; and converting the second product stream into the fuel additive by passing the second product stream through a fuel additive synthesis unit with an acid catalyst.Type: GrantFiled: March 18, 2019Date of Patent: August 30, 2022Assignees: SAUDI ARABIAN OIL COMPANY, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Guillermo Leal, Naif Mohammed Al-Naddah Al-Otaibi, Mohammed Bismillah Ansari, Kareemuddin Mahaboob Shaik, Hiren Shethna, Zhonglin Zhang
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Patent number: 11414611Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a methyl tertiary butyl ether unit producing a first process stream; passing the first process stream through a selective butadiene hydrogenation unit transforming greater than or equal to 90% by weight of the butadiene to 1-butene and 2-butene, preferably greater than or equal to 93%, preferably, greater than or equal to 94%, more preferably, greater than or equal to 95% producing a second process stream; passing the second process stream through a hydration unit producing a third process stream and the fuel additive; passing the third process stream through a total hydrogenation unit producing a hydrogenated stream; and passing the hydrogenated stream to a cracker unit.Type: GrantFiled: April 18, 2019Date of Patent: August 16, 2022Assignees: SABIC GLOBAL TECHNOLOGIES B.V., SAUDI ARABIAN OIL COMPANYInventors: Guillermo Leal, Kareemuddin Mahaboob Shaik, Naif Mohammed Al-Naddah Al-Otaibi, Hiren Shethna, Mohammed Bismillah Ansari, Zhonglin Zhang
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Patent number: 11407952Abstract: A method of producing a fuel additive includes: passing a first process stream comprising C4 hydrocarbons through a methyl tertiary butyl ether synthesis unit producing a first recycle stream; passing the first recycle stream through a hydration unit producing the fuel additive and a second recycle stream; passing the second recycle stream through a recycle hydrogenation unit and a deisobutanizer unit; and recycling the second recycle stream to the methyl tertiary butyl ether synthesis unit.Type: GrantFiled: April 18, 2019Date of Patent: August 9, 2022Assignees: SAUDI ARABIAN OIL COMPANY, SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Guillermo Leal, Mohammed Bismillah Ansari, Kareemuddin Mahaboob Shaik, Hiren Shethna, Zhonglin Zhang
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Publication number: 20220185750Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a first hydrogenation unit producing a first process stream; passing the first process stream through a distillation unit; withdrawing a 2-butene stream from the distillation unit: passing the 2-butene stream through a second hydrogenation unit producing a 1-butene stream; passing at least a portion of the 1-butene stream through a separation unit; and passing the 1-butene stream through a hydration unit producing the fuel additive.Type: ApplicationFiled: March 5, 2020Publication date: June 16, 2022Inventors: Guillermo Leal, Naif Mohammed Al-Naddah Al-Otaibi, Kareemuddin Mahaboob Shaik, Mohammed Bismillah Ansari, Vijay Dinkar Bodas
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Patent number: 11248181Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a butadiene extraction unit producing a first process stream; passing the first process stream through a methyl tertiary butyl ether unit producing a second process stream and a methyl tertiary butyl ether product; passing the second process stream through a hydration unit producing the fuel additive and a recycle stream; passing the recycle stream through a hydrogenation unit; and recycling the recycle stream to a steam cracker unit and/or to the feed streamType: GrantFiled: April 11, 2019Date of Patent: February 15, 2022Assignees: SABIC GLOBAL TECHNOLOGIES B.V., SAUDI ARABIAN OIL COMPANYInventors: Guillermo Leal, Kareemuddin Mahaboob Shaik, Hiren Shethna, Naif Mohammed Al-Naddah Al-Otaibi, Mohammed Bismillah Ansari, Zhonglin Zhang
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Publication number: 20210171848Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a methyl tertiary butyl ether unit producing a first process stream; passing the first process stream through a selective butadiene hydrogenation unit transforming greater than or equal to 90% by weight of the butadiene to 1-butene and 2-butene, preferably greater than or equal to 93%, preferably, greater than or equal to 94%, more preferably, greater than or equal to 95% producing a second process stream; passing the second process stream through a hydration unit producing a third process stream and the fuel additive; passing the third process stream through a total hydrogenation unit producing a hydrogenated stream; and passing the hydrogenated stream to a cracker unit.Type: ApplicationFiled: April 18, 2019Publication date: June 10, 2021Inventors: Guillermo Leal, Kareemuddin Mahaboob Shaik, Naif Mohammed Al-Naddah Al-Otaibi, Hiren Shethna, Mohammed Bismillah Ansari, Zhonglin Zhang
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Publication number: 20210155862Abstract: A method of producing a fuel additive includes: passing a first process stream comprising C4 hydrocarbons through a methyl tertiary butyl ether synthesis unit producing a first recycle stream; passing the first recycle stream through a hydration unit producing the fuel additive and a second recycle stream; passing the second recycle stream through a recycle hydrogenation unit and a deisobutanizer unit; and recycling the second recycle stream to the methyl tertiary butyl ether synthesis unit.Type: ApplicationFiled: April 18, 2019Publication date: May 27, 2021Inventors: Guillermo Leal, Mohammed Bismillah Ansari, Kareemuddin Mahaboob Shaik, Hiren Shethna, Zhonglin Zhang
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Publication number: 20210024837Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a butadiene extraction unit producing a first process stream; passing the first process stream through a methyl tertiary butyl ether unit producing a second process stream and a methyl tertiary butyl ether product; passing the second process stream through a hydration unit producing the fuel additive and a recycle stream; passing the recycle stream through a hydrogenation unit; and recycling the recycle stream to a steam cracker unit and/or to the feed streamType: ApplicationFiled: April 11, 2019Publication date: January 28, 2021Inventors: Guillermo Leal, Kareemuddin Mahaboob Shaik, Hiren Shethna, Naif Mohammed Al-Naddah Al-Otaibi, Mohammed Bismillah Ansari, Zhonglin Zhang
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Publication number: 20210024843Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a hydrogenation unit producing a hydrogenated stream; passing the hydrogenated stream through a distillation unit producing a first stream and a second stream; producing an isobutylene stream by passing the first stream through a molecular sieve unit; passing the isobutylene stream to a hydration unit as a feedstock for the fuel additive; and forming the fuel additive in the hydration unit.Type: ApplicationFiled: March 18, 2019Publication date: January 28, 2021Inventors: Guillermo Leal, Naif Mohammed Al-Naddah Al-Otaibi, Kareemuddin Mahaboob Shaik, Mohammed Bismillah Ansari, Vijay Dinkar Bodas
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Publication number: 20210002185Abstract: A method of producing a fuel additive includes producing a first product stream comprising butadiene by passing a feed stream comprising C4 hydrocarbons through a steam cracker; transforming greater than or equal to 90 weight % of the butadiene in the first product stream into a second product stream by passing the first product stream through a first hydrogenation unit, wherein the second product stream comprises 1-butene, 2-butene, n-butane, isobutylene, isobutane, or a combination thereof; and converting the second product stream into the fuel additive by passing the second product stream through a fuel additive synthesis unit with an acid catalyst.Type: ApplicationFiled: March 18, 2019Publication date: January 7, 2021Inventors: Guillermo Leal, Naif Mohammed Al-Naddah Al-Otaibi, Mohammed Bismillah Ansari, Kareemuddin Mahaboob Shaik, Hiren Shethna, Zhonglin Zhang
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Publication number: 20200157450Abstract: A method of producing a fuel additive includes passing a feed stream comprising C4 hydrocarbons through a methyl tertiary butyl ether unit producing a first process stream; passing the first process stream through a selective hydrogenation unit producing a second process stream; passing the second process stream through an isomerization unit producing a third process stream; and passing the third process stream through a hydration unit producing the fuel additive and a recycle stream.Type: ApplicationFiled: July 27, 2018Publication date: May 21, 2020Inventors: Guillermo Leal, Kareemuddin Mahaboob Shaik, Mohammed Bismillah Ansari, Hiren Shethna, Zhonglin Zhang
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Patent number: 10022698Abstract: An ethylene oligomerization system is useful for creating 1-butene from ethylene in the presence of an ethylene oligomerization catalyst. The ethylene oligomerization system includes an internal baffle single pass reactor, a separation system and an external motion driver. The external motion driver is operable to induce unsteadiness in the flow of the process fluid contained in the internal baffle single pass reactor by transferring motion into the process fluid. An ethylene oligomerization process is useful for creating a refined 1-butene product from ethylene using the ethylene oligomerization system.Type: GrantFiled: February 9, 2017Date of Patent: July 17, 2018Assignee: Saudi Arabian Oil CompanyInventors: Kareemuddin Mahaboob Shaik, Wei Xu
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Publication number: 20170151547Abstract: An ethylene oligomerization system is useful for creating 1-butene from ethylene in the presence of an ethylene oligomerization catalyst. The ethylene oligomerization system includes an internal baffle single pass reactor, a separation system and an external motion driver. The external motion driver is operable to induce unsteadiness in the flow of the process fluid contained in the internal baffle single pass reactor by transferring motion into the process fluid. An ethylene oligomerization process is useful for creating a refined 1-butene product from ethylene using the ethylene oligomerization system.Type: ApplicationFiled: February 9, 2017Publication date: June 1, 2017Applicant: Saudi Arabian Oil CompanyInventors: Kareemuddin Mahaboob Shaik, Wei Xu
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Patent number: 9598329Abstract: An ethylene oligomerization system is useful for creating 1-butene from ethylene in the presence of an ethylene oligomerization catalyst. The ethylene oligomerization system includes an internal baffle single pass reactor, a separation system and an exterior motion driver. The exterior motion driver is operable to induce unsteadiness in the flow of the process fluid contained in the internal baffle single pass reactor by transferring motion into the process fluid. An ethylene oligomerization process is useful for creating a refined 1-butene product from ethylene using the ethylene oligomerization system.Type: GrantFiled: May 10, 2013Date of Patent: March 21, 2017Assignee: Saudi Arabian Oil CompanyInventors: Kareemuddin Mahaboob Shaik, Wei Xu
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Publication number: 20130303817Abstract: An ethylene oligomerization system is useful for creating 1-butene from ethylene in the presence of an ethylene oligomerization catalyst. The ethylene oligomerization system includes an internal baffle single pass reactor, a separation system and an exterior motion driver. The exterior motion driver is operable to induce unsteadiness in the flow of the process fluid contained in the internal baffle single pass reactor by transferring motion into the process fluid. An ethylene oligomerization process is useful for creating a refined 1-butene product from ethylene using the ethylene oligomerization system.Type: ApplicationFiled: May 10, 2013Publication date: November 14, 2013Applicant: Saudi Arabian Oil CompanyInventors: Kareemuddin Mahaboob Shaik, Wei Xu