Patents by Inventor Ahmed Yousef

Ahmed Yousef 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).

  • Patent number: 12285406
    Abstract: A method of treating cancer in a subject in need thereof includes administering to the subject a therapeutically effective amount of the compound of formula (I) or a pharmaceutically acceptable salt thereof, where each of R1-R4, R5A-R7A, and R5B-R7B is independently selected from a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, an alkoxy group, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted arylalkyl group, and an optionally substituted aryl group.
    Type: Grant
    Filed: December 19, 2024
    Date of Patent: April 29, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban, Ahmed A. Al-Karmalawy, Ayman Abo Elmaaty, Marwa Sharaky
  • Patent number: 12285729
    Abstract: A polyimide membrane based on a polymer comprising polymerized units of a diselenide compound and having Formula I. A method of fabrication of the membrane using the polyimide-containing polymer and a method for separating one or more gases from a gaseous mixture using the membrane.
    Type: Grant
    Filed: December 18, 2024
    Date of Patent: April 29, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban
  • Patent number: 12285412
    Abstract: A method of treating cancer that includes administering a therapeutically effective amount of an organoselenium benzimidazole compound of Formula (I), where R is at least one selected from the group consisting of an alkyl group having 1 to 6 carbon atoms, an unsubstituted benzyl group, a para halo-substituted benzyl group, and an allyl group.
    Type: Grant
    Filed: December 27, 2024
    Date of Patent: April 29, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban, Ahmed A. Al-Karmalawy
  • Patent number: 12274964
    Abstract: A biodegradable filter for the removal of various pollutants, contaminants, or harmful substances from the surrounding air, and a method of fabrication. The filter includes 30% by weight of cellulose nanofibers, 30% by weight of activated carbon, and 20% by weight of polyethylene glycol. The cellulose nanofibers and activated carbon are isolated from date palm biomass, making the filter cost-effective and environmentally friendly.
    Type: Grant
    Filed: November 7, 2024
    Date of Patent: April 15, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Osamah Abdulrahman Aldaghri, Saad Shaaban
  • Patent number: 12258441
    Abstract: A method of fabricating a conjugated polymer may include alkylating a carbazole with an alkyl bromide, in a solvent mixture, to form an alkyl carbazole; brominating the alkyl carbazole to form an N-alkyldibromocarbazole; and reacting the N-alkyldibromocarbazole with a distanyl-biselenophene in the presence of a catalyst to form a conjugated polymer having repeating units of formula (5)
    Type: Grant
    Filed: May 24, 2024
    Date of Patent: March 25, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban, Ahmed Abdel Nazeer Soliman, Mohamed Alaa Mohamed
  • Patent number: 12257239
    Abstract: A method for cytotoxically treating cancer cells includes contacting the cancer cells with a composition comprising a compound of Formula I. The compound of Formula I is contacted with the cancer cells in an amount effective to reduce the number of cancer cells by at least 50%. A method for preparing the compound of Formula I.
    Type: Grant
    Filed: November 7, 2024
    Date of Patent: March 25, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban, Ahmed A. Al-Karmalawy, Marwa Sharaky
  • Publication number: 20250074914
    Abstract: New diorganyl diselenide-clubbed quaternary purine are described herein, as well as the use of such diorganyl diselenide compounds in forming anticorrosion coatings for metal. Also described are methods for forming the new diorganyl disleenides compounds as well as anti-corrosion coatings containing the diorganyl disleenides compounds.
    Type: Application
    Filed: September 5, 2023
    Publication date: March 6, 2025
    Inventors: Saadeldin Elsayed Ibrahim SHABAAN, Hany Mohamed Abd El-Lateef AHMED, Tarek Ahmed YOUSEF, Ahmed S. M. ALJANABI
  • Publication number: 20250074915
    Abstract: New diorganyl diselenide-clubbed quaternary purine are described herein, as well as the use of such diorganyl diselenide compounds in forming anticorrosion coatings for metal. Also described are methods for forming the new diorganyl disleenides compounds as well as anti-corrosion coatings containing the diorganyl disleenides compounds.
    Type: Application
    Filed: January 29, 2024
    Publication date: March 6, 2025
    Inventors: Saadeldin Elsayed Ibrahim SHABAAN, Hany Mohamed Abd El-Lateef AHMED, Tarek Ahmed YOUSEF, Ahmed S. M. ALJANABI
  • Patent number: 12234243
    Abstract: New diorganyl diselenide-clubbed quaternary purine are described herein, as well as the use of such diorganyl diselenide compounds in forming anticorrosion coatings for metal. Also described are methods for forming the new diorganyl disleenides compounds as well as anti-corrosion coatings containing the diorganyl disleenides compounds.
    Type: Grant
    Filed: January 29, 2024
    Date of Patent: February 25, 2025
    Assignee: KING FAISAL UNIVERSITY
    Inventors: Saadeldin Elsayed Ibrahim Shabaan, Hany Mohamed Abd El-Lateef Ahmed, Tarek Ahmed Yousef, Ahmed S. M. Aljanabi
  • Publication number: 20250051709
    Abstract: An apparatus produces a target metabolite in a bioreaction. The apparatus has a reactor vessel that contains a bulk liquor in which the bioreaction is conducted, with a headspace provided above the bulk liquor. In some instances, the target metabolite is favorably partitioned into a foam formed at an interface of the bulk liquor and the headspace. A foam collector is arranged to receive this foam from the bioreactor and break it into a condensed foam liquid, from which the target metabolite may be isolated and purified. In one exemplary application, Paenibacillin is produced by fermentation of a medium by Paenibacillus polymyxa OSY-DF, and is preferentially concentrated in the foam. In another exemplary application, fermentation of a medium by Bacillus velezensis GF610 produces amyloliquecidin GF610 is which is preferentially concentrated in the foam.
    Type: Application
    Filed: October 31, 2024
    Publication date: February 13, 2025
    Inventors: Ahmed Yousef, David Kasler, Emily Campbell
  • Patent number: 12221451
    Abstract: New diorganyl diselenide-clubbed quaternary purine are described herein, as well as the use of such diorganyl diselenide compounds in forming anticorrosion coatings for metal. Also described are methods for forming the new diorganyl disleenides compounds as well as anti-corrosion coatings containing the diorganyl disleenides compounds.
    Type: Grant
    Filed: January 29, 2024
    Date of Patent: February 11, 2025
    Assignee: KING FAISAL UNIVERSITY
    Inventors: Saadeldin Elsayed Ibrahim Shabaan, Hany Mohamed Abd El-Lateef Ahmed, Tarek Ahmed Yousef, Ahmed S. M. Aljanabi
  • Patent number: 12214338
    Abstract: A method of producing an organoselenium-based nanocomposite includes acid-treating a mixture containing multi-walled carbon nanotubes (MWCNT) and palm waste with phosphoric acid to form an acid-treated mixture; carbonizing the acid-treated mixture to form a MWCNT/biochar; mixing the MWCNT-biochar with TiO2 nanoparticles to form a TiO2-MWCNT/biochar; chlorinating acyl groups present on the TiO2-MWCNT/biochar to form a chlorinated TiO2-MWCNT/biochar; reacting the chlorinated TiO2-MWCNT/biochar with an organoselenium compound to form a Se—TiO2-MWCNT/biochar.
    Type: Grant
    Filed: October 9, 2024
    Date of Patent: February 4, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Hanan A. Althikrallah, Saad Shaaban, Mohsen Ahmed
  • Patent number: 12208084
    Abstract: A method of treating cancer in a subject in need thereof includes administering to the subject a therapeutically effective amount of the compound of formula (I) or a pharmaceutically acceptable salt thereof, where each of R1-R4, R5A-R7A, and R5B-R7B is independently selected from a hydrogen atom, a halogen atom, a nitro group, a cyano group, a hydroxyl group, an alkoxy group, an optionally substituted alkyl group, an optionally substituted cycloalkyl group, an optionally substituted arylalkyl group, and an optionally substituted aryl group.
    Type: Grant
    Filed: September 24, 2024
    Date of Patent: January 28, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban, Ahmed A. Al-Karmalawy, Ayman Abo Elmaaty, Marwa Sharaky
  • Patent number: 12208364
    Abstract: A polyimide membrane based on a polymer comprising polymerized units of a diselenide compound and having Formula I. A method of fabrication of the membrane using the polyimide-containing polymer and a method for separating one or more gases from a gaseous mixture using the membrane.
    Type: Grant
    Filed: October 9, 2024
    Date of Patent: January 28, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban
  • Patent number: 12194433
    Abstract: Polyimide membranes including polyimide structures selected from the group including: wherein n is an integral number where 2?n?100, i.e., an integer between and including 2 and 100, or an integer between 2 and 100.
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: January 14, 2025
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban, Faisal Khuwayshan L Algethami
  • Patent number: 12178806
    Abstract: A method for cytotoxically treating cancer cells includes contacting the cancer cells with a composition comprising a compound of Formula I. The compound of Formula I is contacted with the cancer cells in an amount effective to reduce the number of cancer cells by at least 50%. A method for preparing the compound of Formula I.
    Type: Grant
    Filed: August 9, 2024
    Date of Patent: December 31, 2024
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Saad Shaaban, Ahmed A. Al-Karmalawy, Marwa Sharaky
  • Patent number: 12179180
    Abstract: A method of producing a Se/Biochar-Au—Bi2O3/TiO2 catalyst includes acid treatment of a palm waste with phosphoric acid to form an acid-treated palm waste, carbonizing the acid-treated palm waste to form an acid-treated biochar, and chlorinating acyl groups present on the acid-treated biochar with oxalyl chloride to form a chlorinated biochar. The method may include reacting the chlorinated biochar with an organoselenium compound to form an organoselenium-functionalized biochar and mixing the organoselenium-functionalized biochar with Au-doped Bi2O3/TiO2 particles to form the Se/Biochar-Au—Bi2O3/TiO2 catalyst.
    Type: Grant
    Filed: May 20, 2024
    Date of Patent: December 31, 2024
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Hanan A. Althikrallah, Saad Shaaban
  • Patent number: 12179185
    Abstract: A method of producing an organoselenium-based nanocomposite includes acid-treating a mixture containing multi-walled carbon nanotubes (MWCNT) and palm waste with phosphoric acid to form an acid-treated mixture; carbonizing the acid-treated mixture to form a MWCNT/biochar; mixing the MWCNT-biochar with TiO2 nanoparticles to form a TiO2-MWCNT/biochar; chlorinating acyl groups present on the TiO2-MWCNT/biochar to form a chlorinated TiO2-MWCNT/biochar; reacting the chlorinated TiO2-MWCNT/biochar with an organoselenium compound to form a Se—TiO2-MWCNT/biochar.
    Type: Grant
    Filed: August 7, 2024
    Date of Patent: December 31, 2024
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Hanan A. Althikrallah, Saad Shaaban, Mohsen Ahmed
  • Patent number: 12179181
    Abstract: A method of producing a Se/Biochar-Au—Bi2O3/TiO2 catalyst includes acid treatment of a palm waste with phosphoric acid to form an acid-treated palm waste, carbonizing the acid-treated palm waste to form an acid-treated biochar, and chlorinating acyl groups present on the acid-treated biochar with oxalyl chloride to form a chlorinated biochar. The method may include reacting the chlorinated biochar with an organoselenium compound to form an organoselenium-functionalized biochar and mixing the organoselenium-functionalized biochar with Au-doped Bi2O3/TiO2 particles to form the Se/Biochar-Au—Bi2O3/TiO2 catalyst.
    Type: Grant
    Filed: August 30, 2024
    Date of Patent: December 31, 2024
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Hanan A. Althikrallah, Saad Shaaban
  • Patent number: 12172112
    Abstract: A biodegradable filter for the removal of various pollutants, contaminants, or harmful substances from the surrounding air, and a method of fabrication. The filter includes 30% by weight of cellulose nanofibers, 30% by weight of activated carbon, and 20% by weight of polyethylene glycol. The cellulose nanofibers and activated carbon are isolated from date palm biomass, making the filter cost-effective and environmentally friendly.
    Type: Grant
    Filed: August 19, 2024
    Date of Patent: December 24, 2024
    Assignee: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY
    Inventors: Tarek Ahmed Yousef, Osamah Abdulrahman Aldaghri, Saad Shaaban