Patents Assigned to Khalifa University of Science and Technology
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Publication number: 20240131476Abstract: The present disclosure relates to sustainable and green polylactic acid-based membranes embedded with self-assembled positively and negatively charged multiwalled carbon nanotube/graphene oxide nanohybrids for the removal of organic and inorganic nutrients from wastewater, and methods of synthesis of the same. A positively charged multi-walled carbon nanotube/graphene oxide (f-MWCNT/GO) nanohybrid-based mixed matrix membrane can comprise a self-assembled multi-walled carbon nanotube and graphene oxide (f-MWCNT/GO) nanohybrid, and a polylactic acid (PLA) membrane matrix. The f-MWCNT/GO nanohybrid is integrated into the PLA membrane matrix to form the positively charged mixed matrix membrane. A negatively charged multi-walled carbon nanotubes (f-GO/MWCNTs-COOH) nanohybrid-based mixed matrix membrane can comprise a positively charged Graphene Oxide and negatively charged multi-walled carbon nanotube-COOH (f-GO/MWCNTs-COOH) nanohybrid, and a polylactic acid (PLA) membrane matrix.Type: ApplicationFiled: October 18, 2023Publication date: April 25, 2024Applicant: Khalifa University of Science and TechnologyInventors: Shadi Wajih HASAN, Fawzi BANAT, Ahmed Fayez YOUSEF, Lobna Issa NASSAR, Hiyam Hisham KHALIL, Hanaa Mohamed Samy Mohamed Saber HEGAB, Vijay Kumar Shankarayya WADI
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Patent number: 11958748Abstract: The present invention provides for an ice-nucleating particle for cloud seeding and other applications, which can initiate ice nucleation at a temperature of ?8° C. Further, the ice nucleation particle number increased continuously and rapidly with the reducing of temperature. The ice nucleating particle in the present invention is a nanostructured porous composite of 3-dimensional reduced graphene oxide and silica dioxide nanoparticles (PrGO-SN). The present invention also provides for a process for synthesizing the PrGO-SN.Type: GrantFiled: January 14, 2020Date of Patent: April 16, 2024Assignee: Khalifa University of Science and TechnologyInventors: Linda Zou, Haoran Liang
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Publication number: 20240076303Abstract: Embodiments of the present disclosure generally describe two-dimensional/three-dimensional conjugated salicylaldehydate metal organic framework (2D/3D-c-SA MOF) compositions, method for green synthesis of the two-dimensional/three-dimensional conjugated salicylaldehydate metal organic framework (2D/3D-c-SA MOF) compositions, applications of the said compositions in supercapacitors, lithium-ion batteries, electrocatalytic conversion reactions, photocatalytic reduction of CO2 and other uses.Type: ApplicationFiled: September 7, 2023Publication date: March 7, 2024Applicant: Khalifa University of Science and TechnologyInventors: Dinesh SHETTY, Abdul Khayum MOHAMMED
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Patent number: 11913865Abstract: There is provided a method and apparatus for accelerated in-situ prediction and dynamic visualization of characteristics of a porous medium, including an input source for inputting data from computer-aided simulations and real-time core flooding experiments, an embedded hardware unit comprising of a processor running a prediction model with inferences of porous medium samples, and a human-machine interface comprising a display unit for displaying the estimated plurality of characteristics of the porous medium and an input unit for accepting commands from a user. The input source is in real-time communication with the embedded hardware unit and the display unit and the apparatus reduces a total analysis time taken for characterizing the porous medium. Further, the porous medium is a rock sample and the plurality of properties of the porous medium comprises the relative permeability (Kr) and capillary pressure (Pc) characteristics of the porous medium.Type: GrantFiled: January 8, 2020Date of Patent: February 27, 2024Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Ali M. Alsumaiti, Abdul Ravoof Shaik, Waleed Alameri, Saikrishna Kanukollu
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Patent number: 11904327Abstract: A liquid desalination system is disclosed. The liquid desalination system includes a feed line having an inlet to receive liquid and an outlet to discharge the liquid. The liquid desalination system includes a magnet coupled to the feed line, the magnet to generate an oscillating magnetic field within the feed line and in opposition to the feed water flow. The removal of targeted ions can be achieved by manipulating the frequency and rate of the generated electromagnetic waves. The generated electromagnetic waves can be tuned to weaken the hydration bonds of that specific ion and facilitate its removal. The liquid desalination system generates an electric field across the feed line to enable the liquid to flow through the electric field. The electric field may attract sodium ions to a positive electrode and may attract chloride ions to a negative electrode, to desalinate the liquid in the feed line.Type: GrantFiled: May 29, 2019Date of Patent: February 20, 2024Assignee: Khalifa University of Science and TechnologyInventors: Emad Alhseinat, Fawzi Banat
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Patent number: 11899289Abstract: An ophthalmic contact lens configured to treat color vision deficiency is presented herein. The contact lens includes a tinted region containing either or both of a first dye that is configured to absorb at least 50% of incident light in a spectral band between 480 nanometers to 500 nanometers and a second dye that is configured to absorb at least 50% of incident light in a spectral band between 550 nanometers to 580 nanometers. A method of manufacturing such a contact lens and a process of forming an ophthalmic contact lens by an additive manufacturing process is also presented.Type: GrantFiled: May 4, 2021Date of Patent: February 13, 2024Assignee: Khalifa University of Science and TechnologyInventors: Haider Butt, Mohamed Elsherif
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Patent number: 11874070Abstract: Heat transfer devices, components thereof, and related methods are provided. Embodiments include heat transfer devices and/or heat transfer components including a spinodal structure having a bi-continuous topology obtained by modeling a spinodal decomposition process, wherein the spinodal structure having the bi-continuous topology is a spinodal shell structure or a spinodal solid structure. Embodiments include methods of making heat transfer devices and/or heat transfer components using additive manufacturing. Other further embodiments are provided in the present disclosure.Type: GrantFiled: November 25, 2020Date of Patent: January 16, 2024Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Rashid K. Abu Al-Rub, Oraib Al-Ketan
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Patent number: 11866331Abstract: Apparatuses and methods for preparing carbon nanostructure sheets are provided. The apparatuses may include a casting body including a substrate configured to move along a first direction, a slurry reservoir configured to contain a slurry, a dispenser connected to the slurry reservoir and configured to dispense the slurry onto a surface of the substrate and a doctoring member that extends in a second direction traversing the first direction and that is positioned above the surface of the substrate. The slurry may include carbon nanostructures, and/or one or more functional materials. The doctoring member may be spaced apart from the surface of the substrate by a predetermined distance.Type: GrantFiled: December 21, 2021Date of Patent: January 9, 2024Assignee: Khalifa University of Science and TechnologyInventors: Rahmat Agung Susantyoko, Zainab Karam, Saif Almheiri, Ibrahim Husein Salim Mustafa
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Patent number: 11859104Abstract: A mesoporous carbon container comprising an embedded organic corrosion inhibitor and having an organic polymeric coating is described. Further described are a coating comprising such a container and a method for producing such a container.Type: GrantFiled: August 17, 2017Date of Patent: January 2, 2024Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Vikas Mittal, Gisha Elizabeth Luckachan
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Patent number: 11828541Abstract: Heat transfer devices, components thereof, and related methods are provided. Embodiments include heat transfer devices and/or heat transfer components including a spinodal structure having a bi-continuous topology obtained by modeling a spinodal decomposition process, wherein the spinodal structure having the bi-continuous topology is a spinodal shell structure or a spinodal solid structure. Embodiments include methods of making heat transfer devices and/or heat transfer components using additive manufacturing. Other further embodiments are provided in the present disclosure.Type: GrantFiled: November 25, 2020Date of Patent: November 28, 2023Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Rashid K. Abu Al-Rub, Oraib Al-Ketan
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Patent number: 11787745Abstract: A ceramic and a method of forming a ceramic including milling steel slag exhibiting a diameter of 5 mm of less to form powder, sieving the powder to retain the powder having a particle size in the range of 20 to 400 removing free iron from the powder with a magnet, heat treating the powder at a temperature in the range of 700° C. to 1200° C. for a time period in the range of 1 hour to 10 hours and oxidizing retained iron in the powder, compacting the powder at a compression pressure in the range of 20 MPa to 300 MPA, and sintering the powder at a temperature in the range of 700° C. to 1400° C. for a time period in the range of 0.5 hours to 4 hours to provide a ceramic.Type: GrantFiled: February 22, 2018Date of Patent: October 17, 2023Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Nicolas Jean-Michel Calvet, Uver Dario Villalobos Cardozo, Khaloud Mohammed Al Na'Imi, Jean Francois Hoffmann
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Patent number: 11786868Abstract: A filter element comprises a membrane layer; and a feed spacer on the membrane layer, wherein the feed spacer comprises a plurality of unit cells arranged in three dimensions, wherein each of the plurality of unit cells comprises a cavity defined by a triply periodic minimal surface, and wherein the cavities of the plurality of unit cells are interconnected to allow a fluid to pass through the cavities of the plurality of unit cells.Type: GrantFiled: July 6, 2021Date of Patent: October 17, 2023Assignee: Khalifa University of Science and TechnologyInventors: Hassan Arafat, Rashid Abu Al-Rub, Nurshaun Sreedhar, Oraib Al-Ketan, Navya Thomas
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Publication number: 20230321639Abstract: The present application relates to a method for synthesizing nanozeolite Y crystals, nanozeolite Y crystals obtainable by said method, and the use of the synthesized nanozeolite Y crystals in cracking hydrocarbons, as molecular sieves or as ion-exchangers.Type: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Applicant: Khalifa University of Science and TechnologyInventors: Marios S. KATSIOTIS, Vasileios TZITZIOS, Saeed ALHASSAN
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Patent number: 11779888Abstract: A filter element comprises a membrane layer; and a feed spacer on the membrane layer, wherein the feed spacer comprises a plurality of unit cells arranged in three dimensions, wherein each of the plurality of unit cells comprises a cavity defined by a triply periodic minimal surface, and wherein the cavities of the plurality of unit cells are interconnected to allow a fluid to pass through the cavities of the plurality of unit cells.Type: GrantFiled: March 15, 2021Date of Patent: October 10, 2023Assignee: Khalifa University of Science and TechnologyInventors: Hassan Arafat, Rashid Abu Al-Rub, Nurshaun Sreedhar, Oraib Al-Ketan, Navya Thomas
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Patent number: 11745121Abstract: Embodiments of the present disclosure describe an inline demulsification system (400, 430) including an inline flow conditioner (402,410) for separating a multiphase fluid into a liquid phase (420) and a gas phase (422), wherein the liquid phase (420) includes an emulsion; and an ultrasonic wave device (404), provided downstream from the flow conditioner (402, 410), including one or more ultrasonic probes (442) for emitting ultrasonic waves (452) towards the multiphase fluid, wherein the ultrasonic waves (452) demulsify at least a portion of the emulsion. Embodiments of the present disclosure also describe related systems and methods.Type: GrantFiled: September 2, 2020Date of Patent: September 5, 2023Assignees: Khalifa University of Science and Technology, Abu Dhabi National Oil CompanyInventors: Mahmoud Meribout, Lyes Khezzar, Nabil Kharoua, Esra Al Hosani
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Patent number: 11703764Abstract: In this work is presented a method for fabrication of high-aspect ratio structures through spalling effect. The spalling is achieved through lithography, etching and sputtering processes, thus providing the flexibility to position the spalled structures according to the application requirements. This method has been successfully demonstrated for metal-oxides and metals. The width of the fabricated structures is dependent on the thickness of the film deposited by sputtering, where structures as small as 20 nm in width have been obtained.Type: GrantFiled: September 24, 2021Date of Patent: July 18, 2023Assignee: Khalifa University of Science and TechnologyInventors: Raquel Flores, Ricardo Janeiro, Jaime Viegas
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Patent number: 11691325Abstract: A method for the production of a glassy metal polymer composite is disclosed. The method comprises adding a polymer and a metal to an extruder, wherein the extruder is heated to an extrusion temperature greater than the melting point of the polymer and the melting point of the metal; mixing the metal and the polymer in the extruder for a predefined residence time; and co-extruding the composite from the extruder.Type: GrantFiled: April 30, 2020Date of Patent: July 4, 2023Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Saeed Mohammed Salem Alhassan Alkhazraji, Mariam Hamad Rashed Mohamed Rashed Alrashed
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Patent number: 11679989Abstract: A method for preparing zinc sulfide particles is described which comprising the steps (i) preparing a mixture of zinc mineral and elemental sulfur, (ii) milling the mixture obtained in step (i), and (iii) annealing the mixture obtained in step (ii) at a temperature ranging from 300 to 500° C. to obtain zinc sulfide particles.Type: GrantFiled: March 21, 2017Date of Patent: June 20, 2023Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Saeed Alhassan, Sunil P. Lonkar
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Patent number: 11672504Abstract: The present disclosure is generally directed to a method for driving an ultrasonic transducer. The method includes coupling a driving electrode and a ground electrode of the ultrasonic transducer to a power supply and a ground, respectively, during a first time period based on a received drive signal. The method further includes decoupling the driving electrode and the ground electrode of the ultrasonic transducer from the power supply and the ground, respectively, to float the driving electrode and the ground electrode of the ultrasonic transducer during a second time period based on the received drive signal to store a charge between the driving electrode to the ground electrode.Type: GrantFiled: October 28, 2021Date of Patent: June 13, 2023Assignee: KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Jerald Yoo, Judyta B. Tillak
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Patent number: 11666855Abstract: Apparatus, methods and uses for separating gas mixtures of at least two different gases under magnetic field and employing a membrane are described.Type: GrantFiled: July 14, 2017Date of Patent: June 6, 2023Assignee: Khalifa University of Science and TechnologyInventors: Georgios Karanikolos, Evangelos P. Favvas, Nikolaos S. Heliopoulos, Sergios K. Papageorgiou