Patents by Inventor Umair Baig
Umair Baig 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: 20230191340Abstract: The disclosure relates to superhydrophobic membranes and methods of making and using such membranes. Polydimethylsiloxane (PDMS) substrate is formed on sandpaper such that the PDMS substrate has a surface texture replicating the opposite impression of the sandpaper texture. Separately, a PVDF solution is prepared and disposed on the PDMS substrate. The PVDF substrate and liquid film combination are transferred to a solution of deionized water mixed with 2-propanol to form a PVDF film on the PDMS substrate. The PVDF film-PDMS substrate is transferred to a second DI water bath, after which the PVDF film is detached from the PDMS substrate. The PVDF film is then washed and dried, to yield a superhydrophobic PVDF membrane having the texture of sandpaper.Type: ApplicationFiled: December 20, 2021Publication date: June 22, 2023Inventors: Turki Nabieh Baroud, Hasan Al Abdulgader, Young Chul Choi, Umair Baig, Mohammed Abdul Azeem
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Patent number: 11571663Abstract: Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a polyvinylidene fluoride (PVDF)-based solvent and a polyvinylpyrrolidone (PVP)-based modifying agent, dispersing the casting solution to form a first element, generating a plurality of active sites on a surface of the first element, and forming a polymer-based membrane by exposing the surface of the first element to a fluorosilane composition to form a fluorosilane layer on the surface, where the fluorosilane composition includes a silane compound having at least one alkyl substituent that includes between 9 and 21 fluorine atoms.Type: GrantFiled: November 13, 2020Date of Patent: February 7, 2023Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & MineralsInventors: Umair Baig, Turki Nabieh Baroud, Hasan Al Abdulgader
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Patent number: 11439957Abstract: Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a plurality of titanium dioxide (TiO2) nanoparticles, a polyvinylidene fluoride (PVDF)-based solvent, and a polyvinylpyrrolidone (PVP)-based modifying agent, dispersing the casting solution to form a first element, generating a plurality of active sites on a surface of the first element, and forming a polymer-based membrane by exposing the surface of the first element to a fluorosilane composition to form a fluorosilane layer on the surface, where the fluorosilane composition includes a silane compound having at least one alkyl substituent that includes between 9 and 21 fluorine atoms.Type: GrantFiled: November 13, 2020Date of Patent: September 13, 2022Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & MineralsInventors: Umair Baig, Turki Nabieh Baroud, Hasan Al Abdulgader
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Publication number: 20220152557Abstract: Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a polyvinylidene fluoride (PVDF)-based solvent and a polyvinylpyrrolidone (PVP)-based modifying agent, dispersing the casting solution to form a first element, generating a plurality of active sites on a surface of the first element, and forming a polymer-based membrane by exposing the surface of the first element to a fluorosilane composition to form a fluorosilane layer on the surface, where the fluorosilane composition includes a silane compound having at least one alkyl substituent that includes between 9 and 21 fluorine atoms.Type: ApplicationFiled: November 13, 2020Publication date: May 19, 2022Inventors: Umair BAIG, Turki Nabieh BAROUD, Hasan Al Abdulgader
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Publication number: 20220152558Abstract: Polymer-based membranes and methods for fabricating membranes are described. The methods include forming a casting solution featuring a plurality of titanium dioxide (TiO2) nanoparticles, a polyvinylidene fluoride (PVDF)-based solvent, and a polyvinylpyrrolidone (PVP)-based modifying agent, dispersing the casting solution to form a first element, generating a plurality of active sites on a surface of the first element, and forming a polymer-based membrane by exposing the surface of the first element to a fluorosilane composition to form a fluorosilane layer on the surface, where the fluorosilane composition includes a silane compound having at least one alkyl substituent that includes between 9 and 21 fluorine atoms.Type: ApplicationFiled: November 13, 2020Publication date: May 19, 2022Inventors: Umair BAIG, Turki Nabieh BAROUD, Hasan Al Abdulgader
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Patent number: 10525419Abstract: An oil-water separation membrane is described. The oil-water separation membrane comprises a porous metal sheet with a photocatalyst layer on one side and a layer of nanoparticles and a surfactant on the other side. The layer of nanoparticles and surfactant create a superoleophobic and superhydrophilic coating that allows passage of an aqueous phase and rejection of an oil phase. The photocatalyst layer, combined with UV irradiation, enables degradation of organic contaminants in the aqueous phase. The oil-water separation membrane may be used as part of an oil-water separation system, and a filtered water product may be recycled through the membrane to increase the removal of organic contaminants.Type: GrantFiled: October 26, 2017Date of Patent: January 7, 2020Assignees: King Fahd University of Petroleum and Minerals, MASSACHUSETTS INSTITUTE OF TECHNOLOGYInventors: Talal F. Qahtan, Leonardo D. Banchik, Mohammed A. Gondal, Gibum Kwon, Divya Panchanathan, Umair Baig, Gareth McKinley, Mohamed A. Dastageer
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Patent number: 10526441Abstract: A method of fabricating polypyrrole-coated silver particles having a core-shell structure via in-situ oxidative polymerization using silver nanoparticles and pyrrole monomers in the presence of an oxidizing agent. A surface enhanced Raman scattering (SERS) active substrate comprising the polypyrrole-coated silver particles is also disclosed. The surface enhanced Raman scattering (SERS) active substrate is demonstrated to facilitate the detection and measurement of surface enhanced Raman scattering (SERS) spectra of analytes with increased Raman signal intensity.Type: GrantFiled: January 23, 2019Date of Patent: January 7, 2020Assignee: King Fahd University of Petroleum and MineralsInventors: Umair Baig, Mohammad Kamal Hossain
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Patent number: 10421672Abstract: The present disclosure relates to a method of disinfecting a fluid comprising at least one live microbial organism. The method includes contacting the fluid comprising the at least one microbial organism with an effective amount of a photo-catalyst while exposing the fluid and the photo-catalyst to light from at least one light source with a wavelength of about 300-550 nm to reduce the number of the at least one live microbial organism to a predetermined level. The photo-catalyst comprises tungsten trioxide nanoparticles doped with palladium nanoparticles, and the palladium nanoparticles are present in an amount of about 0.1-5% of the total weight of the tungsten trioxide nanoparticles and the palladium nanoparticles.Type: GrantFiled: October 3, 2018Date of Patent: September 24, 2019Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Ashraf Gondal, Mohamed A. Dastageer, Amjad B. Khalil, Rashid Gulam Siddique, Umair Baig
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Publication number: 20190126210Abstract: An oil-water separation membrane is described. The oil-water separation membrane comprises a porous metal sheet with a photocatalyst layer on one side and a layer of nanoparticles and a surfactant on the other side. The layer of nanoparticles and surfactant create a superoleophobic and superhydrophilic coating that allows passage of an aqueous phase and rejection of an oil phase. The photocatalyst layer, combined with UV irradiation, enables degradation of organic contaminants in the aqueous phase. The oil-water separation membrane may be used as part of an oil-water separation system, and a filtered water product may be recycled through the membrane to increase the removal of organic contaminants.Type: ApplicationFiled: October 26, 2017Publication date: May 2, 2019Applicants: King Fahd University of Petroleum and Minerals, Massachusetts Institute of TechnologyInventors: Talal F. QAHTAN, Leonardo D. Banchik, Mohammed A. Gondal, Gibum Kwon, Divya Panchanathan, Umair Baig, Gareth McKinley, Mohamed A. Dastageer
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Publication number: 20190031535Abstract: The present disclosure relates to a method of disinfecting a fluid comprising at least one live microbial organism. The method includes contacting the fluid comprising the at least one microbial organism with an effective amount of a photo-catalyst while exposing the fluid and the photo-catalyst to light from at least one light source with a wavelength of about 300-550 nm to reduce the number of the at least one live microbial organism to a predetermined level. The photo-catalyst comprises tungsten trioxide nanoparticles doped with palladium nanoparticles, and the palladium nanoparticles are present in an amount of about 0.1-5% of the total weight of the tungsten trioxide nanoparticles and the palladium nanoparticles.Type: ApplicationFiled: October 3, 2018Publication date: January 31, 2019Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Mohammad Ashraf GONDAL, Mohamed A. DASTAGEER, Amjad B. KHALIL, Rashid Gulam SIDDIQUE, Umair BAIG
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Patent number: 10160665Abstract: The present disclosure relates to a method of disinfecting a fluid comprising at least one live microbial organism. The method includes contacting the fluid comprising the at least one microbial organism with an effective amount of a photo-catalyst while exposing the fluid and the photo-catalyst to light from at least one light source with a wavelength of about 300-550 nm to reduce the number of the at least one live microbial organism to a predetermined level. The photo-catalyst comprises tungsten trioxide nanoparticles doped with palladium nanoparticles, and the palladium nanoparticles are present in an amount of about 0.1-5% of the total weight of the tungsten trioxide nanoparticles and the palladium nanoparticles.Type: GrantFiled: October 2, 2018Date of Patent: December 25, 2018Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Ashraf Gondal, Mohamed A. Dastageer, Amjad B. Khalil, Rashid Gulam Siddique, Umair Baig
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Patent number: 10131601Abstract: A method of forming methanol by irradiating a mixture comprising water, carbon dioxide, and a photocatalyst with UV light to photo-catalytically reduce the carbon dioxide thereby forming methanol, wherein the photocatalyst comprises non-templated indium-oxide nanoparticles and/or templated indium-oxide nanoparticles. Various combinations of the embodiments of the templated indium-oxide nanoparticles and the non-templated indium-oxide nanoparticles photocatalyst as well as the method of forming methanol are provided.Type: GrantFiled: July 13, 2018Date of Patent: November 20, 2018Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Ashraf Gondal, Mohamed A. Dastageer, Umair Baig
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Patent number: 10131602Abstract: A method of forming methanol by irradiating a mixture comprising water, carbon dioxide, and a photocatalyst with UV light to photo-catalytically reduce the carbon dioxide thereby forming methanol, wherein the photocatalyst comprises non-templated indium-oxide nanoparticles and/or templated indium-oxide nanoparticles. Various combinations of the embodiments of the templated indium-oxide nanoparticles and the non-templated indium-oxide nanoparticles photocatalyst as well as the method of forming methanol are provided.Type: GrantFiled: July 13, 2018Date of Patent: November 20, 2018Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Ashraf Gondal, Mohamed A. Dastageer, Umair Baig
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Patent number: 10125031Abstract: The present disclosure relates to a method of disinfecting a fluid comprising at least one live microbial organism. The method includes contacting the fluid comprising the at least one microbial organism with an effective amount of a photo-catalyst while exposing the fluid and the photo-catalyst to light from at least one light source with a wavelength of about 300-550 nm to reduce the number of the at least one live microbial organism to a predetermined level. The photo-catalyst comprises tungsten trioxide nanoparticles doped with palladium nanoparticles, and the palladium nanoparticles are present in an amount of about 0.1-5% of the total weight of the tungsten trioxide nanoparticles and the palladium nanoparticles.Type: GrantFiled: April 22, 2016Date of Patent: November 13, 2018Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Ashraf Gondal, Mohamed A. Dastageer, Amjad B. Khalil, Rashid Gulam Siddique, Umair Baig
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Patent number: 10047027Abstract: A method of forming methanol by irradiating a mixture comprising water, carbon dioxide, and a photocatalyst with UV light to photo-catalytically reduce the carbon dioxide thereby forming methanol, wherein the photocatalyst comprises non-templated indium-oxide nanoparticles and/or templated indium-oxide nanoparticles. Various combinations of the embodiments of the templated indium-oxide nanoparticles and the non-templated indium-oxide nanoparticles photocatalyst as well as the method of forming methanol are provided.Type: GrantFiled: November 8, 2017Date of Patent: August 14, 2018Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Ashraf Gondal, Mohamed A. Dastageer, Umair Baig
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Publication number: 20160355409Abstract: The present disclosure relates to a method of disinfecting a fluid comprising at least one live microbial organism. The method includes contacting the fluid comprising the at least one microbial organism with an effective amount of a photo-catalyst while exposing the fluid and the photo-catalyst to light from at least one light source with a wavelength of about 300-550 nm to reduce the number of the at least one live microbial organism to a predetermined level. The photo-catalyst comprises tungsten trioxide nanoparticles doped with palladium nanoparticles, and the palladium nanoparticles are present in an amount of about 0.1-5% of the total weight of the tungsten trioxide nanoparticles and the palladium nanoparticles.Type: ApplicationFiled: April 22, 2016Publication date: December 8, 2016Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Muhammad Ashraf GONDAL, Mohamed A. Dastageer, Amjad B. Khalil, Rashid Gulam Siddique, Umair Baig