Patents by Inventor Sohel Shaikh
Sohel Shaikh 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: 20200216372Abstract: Provided here are methods and systems to enhance the production of ethylene and MTBE from propylene using integrated metathesis and cracking processes. Also disclosed is a method for producing ethylene by at least partially metathesizing propylene in the presence of a metathesis catalyst in a reactor to produce ethylene and butenes, and at least partially cracking the butenes to further produce ethylene using a cracking catalyst positioned downstream of the metathesis catalyst in the same reactor, and further producing MTBE.Type: ApplicationFiled: December 27, 2019Publication date: July 9, 2020Applicant: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Raed Abudawoud, Zhonglin Zhang, Munir Khokhar, Miao Sun
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Patent number: 10583423Abstract: Embodiments of processes for producing propylene utilize a dual catalyst system comprising a mesoporous silica catalyst impregnated with metal oxide and a mordenite framework inverted (MFI) structured silica catalyst downstream of the mesoporous silica catalyst, where the mesoporous silica catalyst includes a pore size distribution of at least 2.5 nm to 40 nm and a total pore volume of at least 0.600 cm3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.Type: GrantFiled: July 19, 2018Date of Patent: March 10, 2020Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & MineralsInventors: Sulaiman Saleh Al-Khattaf, Arudra Palani, Tazul Islam Bhuiyan, Sohel Shaikh, Mohammad Naseem Akhtar, Abdullah M. Aitani, Mohammed A. Al-Yami
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Patent number: 10532347Abstract: Embodiments of processes for producing propylene utilize a dual catalyst system comprising a mesoporous silica catalyst impregnated with metal oxide and a mordenite framework inverted (MFI) structured silica catalyst downstream of the mesoporous silica catalyst, where the mesoporous silica catalyst includes a pore size distribution of at least 2.5 nm to 40 nm and a total pore volume of at least 0.600 cm3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.Type: GrantFiled: January 2, 2018Date of Patent: January 14, 2020Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & MineralsInventors: Sulaiman Saleh Al-Khattaf, Arudra Palani, Tazul Islam Bhuiyan, Sohel Shaikh, Mohammad Naseem Akhtar, Abdullah M. Aitani, Mohammed A. Al-Yami
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Publication number: 20190284110Abstract: Method of making BTX compounds including benzene, toluene, and xylene, including feeding heavy reformats to a reactor containing a composite zeolite catalyst. The composite zeolite catalyst includes a mixture of nanocrystalline Beta zeolite (Nano-Beta) comprising crystal size in the range of 10 to 40 nm and ZSM-5. The Nano-Beta, the ZSM-5, or both include one or more impregnated metals. The method further includes producing the BTX compounds by simultaneously performing transalkylation and dealkylation of the heavy reformate in the reactor. The composite zeolite catalyst is able to simultaneously catalyze both the transalkylation and dealkylation reactions.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Applicants: Saudi Arabian Oil Company, c/o Instituto de Technologia Quimica, UPV-CSICInventors: Avelino Corma Canos, M. Teresa Portilla Ovejero, M. Cristina Martinez Sanchez, M. Teresa Navarro Villalba, Sohel Shaikh, Raed Abudawoud
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Patent number: 10407358Abstract: Described here are various processes for producing linear alpha olefins using a heterogeneous catalytic composition in the reaction mixture. These processes include size-based or phase-based separation of the heterogeneous catalytic compositions from the product stream and recycling the catalysts to the reaction mixture. Various other embodiments may be disclosed and claimed.Type: GrantFiled: March 14, 2018Date of Patent: September 10, 2019Assignee: SAUDI ARABIAN OIL COMPANYInventors: Xu Wei, Kareemuddin Shaik, Zhonglin Zhang, Rodrigo Sandoval Rivera, Sohel Shaikh, Hussain Yami
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Patent number: 10214466Abstract: According to one embodiment described in this disclosure, a process for producing propylene may comprise at least partially metathesizing a first stream comprising at least about 10 wt. % butene to form a metathesis-reaction product, at least partially cracking the metathesis-reaction product to form a cracking-reaction product comprising propylene, and at least partially separating propylene from the cracking-reaction product to form a product stream comprising at least about 80 wt. % propylene.Type: GrantFiled: July 24, 2018Date of Patent: February 26, 2019Assignee: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Aqil Jamal, Zhonglin Zhang
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Publication number: 20190040159Abstract: According to one or more embodiments, a mesoporous zeolite may included a microporous framework that includes a plurality of micropores having diameters of less than or equal to 2 nm, and a plurality of mesopores having diameters of greater than 2 nm and less than or equal to 50 nm. The mesoporous zeolite may included an aluminosilicate material, a titanosilicate material, or a pure silicate material. The mesoporous zeolite may included a surface area of greater than 350 m2/g and a pore volume of greater than 0.3 cm3/g.Type: ApplicationFiled: October 5, 2018Publication date: February 7, 2019Applicants: Saudi Arabian Oil Company, King Abdullah University of Science and TechnologyInventors: Yu Han, Qiwei Tian, Xinglong Dong, Zhaohui Liu, Jean-Marie Basset, Youssef Saih, Miao Sun, Sohel Shaikh, Wei Xu
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Patent number: 10196465Abstract: According to one or more embodiments, cationic polymers may be produced which include one or more monomers containing cations. Such cationic polymers may be utilized as structure directing agents to form mesoporous zeolites. The mesoporous zeolites may include micropores as well as mesopores, and may have a surface area of greater than 350 m2/g and a pore volume of greater than 0.3 cm3/g. Also described are core/shell zeolites, where at least the shell portion includes a mesoporous zeolite material.Type: GrantFiled: July 24, 2018Date of Patent: February 5, 2019Assignees: Saudi Arabian Oil Company, King Abdullah University of Science and TechnologyInventors: Yu Han, Qiwei Tian, Xinglong Dong, Zhaohui Liu, Jean-Marie Basset, Youssef Saih, Miao Sun, Wei Xu, Sohel Shaikh
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Publication number: 20180354870Abstract: Described here are various processes for producing linear alpha olefins using a heterogeneous catalytic composition in the reaction mixture. These processes include size-based or phase-based separation of the heterogeneous catalytic compositions from the product stream and recycling the catalysts to the reaction mixture. Various other embodiments may be disclosed and claimed.Type: ApplicationFiled: March 14, 2018Publication date: December 13, 2018Inventors: Xu Wei, Kareemuddin Shaik, Zhonglin Zhang, Rodrigo Sandoval Rivera, Sohel Shaikh, Hussain Yami
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Patent number: 10144003Abstract: A method of using a heat generating catalyst in a hydrocarbon cracking process. The method includes providing a catalyst bed reactor which includes a catalyst bed of the heat generating catalyst disposed in the catalyst bed reactor. The heat generating catalyst includes at least one mordenite framework-inverted (MFI) zeolite catalyst having a Si/Al molar ratio of 15 or greater, and at least one metal oxide dispersed within a microstructure of the MFI zeolite catalyst. The method additionally includes introducing a hydrocarbon feed to the catalyst bed reactor and cracking the hydrocarbon feed to produce a cracking product. Additionally, an associated method of making the heat generating catalyst for hydrocarbon cracking is provided.Type: GrantFiled: September 29, 2017Date of Patent: December 4, 2018Assignee: Saudi Arabian Oil CompanyInventors: Ola S. Ali, Hussain Al Yami, Mark P. Kaminsky, Sohel Shaikh, Wei Xu
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Publication number: 20180326408Abstract: Embodiments of processes for producing propylene utilize a dual catalyst system comprising a mesoporous silica catalyst impregnated with metal oxide and a mordenite framework inverted (MFI) structured silica catalyst downstream of the mesoporous silica catalyst, where the mesoporous silica catalyst includes a pore size distribution of at least 2.5 nm to 40 nm and a total pore volume of at least 0.600 cm3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.Type: ApplicationFiled: July 19, 2018Publication date: November 15, 2018Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum & MineralsInventors: Sulaiman Saleh Al-Khattaf, Arudra Palani, Tazul Islam Bhuiyan, Sohel Shaikh, Mohammad Naseem Akhtar, Abdullah M. Aitani, Mohammed A. Al-Yami
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Publication number: 20180327338Abstract: According to one embodiment described in this disclosure, a process for producing propylene may comprise at least partially metathesizing a first stream comprising at least about 10 wt. % butene to form a metathesis-reaction product, at least partially cracking the metathesis-reaction product to form a cracking-reaction product comprising propylene, and at least partially separating propylene from the cracking-reaction product to form a product stream comprising at least about 80 wt. % propylene.Type: ApplicationFiled: July 24, 2018Publication date: November 15, 2018Applicant: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Aqil Jamal, Zhonglin Zhang
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Publication number: 20180327523Abstract: According to one or more embodiments, cationic polymers may be produced which include one or more monomers containing cations. Such cationic polymers may be utilized as structure directing agents to form mesoporous zeolites. The mesoporous zeolites may include micropores as well as mesopores, and may have a surface area of greater than 350 m2/g and a pore volume of greater than 0.3 cm3/g. Also described are core/shell zeolites, where at least the shell portion includes a mesoporous zeolite material.Type: ApplicationFiled: July 24, 2018Publication date: November 15, 2018Applicants: Saudi Arabian Oil Company, King Abdullah University of Science and TechnologyInventors: Yu Han, Qiwei Tian, Xinglong Dong, Zhaohui Liu, Jean-Marie Basset, Youssef Saih, Miao Sun, Wei Xu, Sohel Shaikh
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Patent number: 10105689Abstract: A method of making a heat generating catalyst for hydrocarbon cracking. The method includes providing at least one mordenite framework-inverted (MFI) zeolite having a Si/Al molar ratio of 15 or greater and providing at least one metal oxide precursor. Further, the at least one metal oxide precursor is dispersed within a microstructure of the MFI zeolite catalyst. The method additionally includes calcining the heat generating material with the at least one metal oxide precursor dispersed within the microstructure of the MFI zeolite catalyst to form at least one metal oxide in situ. The heat generating catalyst includes at least one MFI zeolite and at least one metal oxide in a ratio between 50:50 and 95:5. Additionally, an associated method of using the heat generating catalyst in a hydrocarbon cracking process is provided.Type: GrantFiled: May 2, 2017Date of Patent: October 23, 2018Assignee: Saudi Arabian Oil CompanyInventors: Ola S. Ali, Hussain Al Yami, Mark P. Kaminsky, Sohel Shaikh, Wei Xu
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Patent number: 10065906Abstract: According to one or more embodiments described herein, propylene may be produced by a process which may comprise one or more of at least partially metathesizing a first portion of a first stream to form a first metathesis-reaction product, at least partially cracking the first metathesis-reaction product to form a cracking-reaction product.Type: GrantFiled: October 31, 2017Date of Patent: September 4, 2018Assignee: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Aqil Jamal, Zhonglin Zhang
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Patent number: 10059645Abstract: According to one embodiment described in this disclosure, a process for producing propylene may comprise at least partially metathesizing a first stream comprising at least about 10 wt. % butene to form a metathesis-reaction product, at least partially cracking the metathesis-reaction product to form a cracking-reaction product comprising propylene, and at least partially separating propylene from the cracking-reaction product to form a product stream comprising at least about 80 wt. % propylene.Type: GrantFiled: June 23, 2016Date of Patent: August 28, 2018Assignee: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Aqil Jamal, Zhonglin Zhang
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Patent number: 10052618Abstract: Embodiments of processes for producing propylene utilize a dual catalyst system comprising a mesoporous silica catalyst impregnated with metal oxide and a mordenite framework inverted (MFI) structured silica catalyst downstream of the mesoporous silica catalyst, where the mesoporous silica catalyst includes a pore size distribution of at least 2.5 nm to 40 nm and a total pore volume of at least 0.600 cm3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.Type: GrantFiled: January 4, 2017Date of Patent: August 21, 2018Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & MineralsInventors: Sulaiman Saleh Al-Khattaf, Arudra Palani, Tazul Islam Bhuiyan, Sohel Shaikh, Mohammad Naseem Akhtar, Abdullah M. Aitani, Mohammed A. Al-Yami
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Publication number: 20180155256Abstract: Embodiments of processes for producing propylene utilize a dual catalyst system comprising a mesoporous silica catalyst impregnated with metal oxide and a mordenite framework inverted (MFI) structured silica catalyst downstream of the mesoporous silica catalyst, where the mesoporous silica catalyst includes a pore size distribution of at least 2.5 nm to 40 nm and a total pore volume of at least 0.600 cm3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.Type: ApplicationFiled: January 2, 2018Publication date: June 7, 2018Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum & MineralsInventors: Sulaiman Saleh Al-Khattaf, Arudra Palani, Tazul Islam Bhuiyan, Sohel Shaikh, Mohammad Naseem Akhtar, Abdullah M. Aitani, Mohammed A. Al-Yami
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Publication number: 20180057425Abstract: According to one or more embodiments described herein, propylene may be produced by a process which may comprise one or more of at least partially metathesizing a first portion of a first stream to form a first metathesis-reaction product, at least partially cracking the first metathesis-reaction product to form a cracking-reaction product.Type: ApplicationFiled: October 31, 2017Publication date: March 1, 2018Applicant: Saudi Arabian Oil CompanyInventors: Sohel Shaikh, Aqil Jamal, Zhonglin Zhang
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Patent number: 9884794Abstract: Embodiments of processes for producing propylene utilize a dual catalyst system comprising a mesoporous silica catalyst impregnated with metal oxide and a mordenite framework inverted (MFI) structured silica catalyst downstream of the mesoporous silica catalyst, where the mesoporous silica catalyst includes a pore size distribution of at least 2.5 nm to 40 nm and a total pore volume of at least 0.600 cm3/g, and the MFI structured silica catalyst has a total acidity of 0.001 mmol/g to 0.1 mmol/g. The propylene is produced from the butene stream via metathesis by contacting the mesoporous silica catalyst and subsequent cracking by contacting the MFI structured silica catalyst.Type: GrantFiled: June 23, 2016Date of Patent: February 6, 2018Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum and MineralsInventors: Sulaiman Saleh Al-Khattaf, Arudra Palani, Tazul Islam Bhuiyan, Sohel Shaikh, Mohammad Naseem Akhtar, Abdullah M. Aitani, Mohammed A. Al-Yami