公开(公告)号：US12179181B1

公开(公告)日：2024-12-31

申请号：US18820350

申请日：2024-08-30

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Hanan A. Althikrallah ,  Saad Shaaban

IPC: B01J27/057 ,  B01J21/06 ,  B01J23/18 ,  B01J35/00 ,  B01J35/39 ,  B01J35/45 ,  B01J35/50 ,  B01J35/61 ,  B01J37/00 ,  B01J37/24

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.

公开(公告)号：US12109540B1

公开(公告)日：2024-10-08

申请号：US18657831

申请日：2024-05-08

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Saad Shaaban

IPC: B01D53/22 ,  B01D67/00 ,  B01D71/64 ,  C08G73/10 ,  C08J5/18

CPC classification number: B01D71/64 ,  B01D53/228 ,  B01D67/0011 ,  B01D67/0013 ,  C08G73/1085 ,  C08J5/18 ,  B01D2053/221 ,  C08J2379/08

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.

公开(公告)号：US12194433B1

公开(公告)日：2025-01-14

申请号：US18805958

申请日：2024-08-15

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Saad Shaaban ,  Faisal Khuwayshan L Algethami

IPC: B01D53/22 ,  B01D53/02 ,  B01J20/26 ,  B01J20/28 ,  B01J20/30 ,  C08G73/10

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.

公开(公告)号：US12151217B1

公开(公告)日：2024-11-26

申请号：US18799030

申请日：2024-08-09

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Saad Shaaban

IPC: B01D53/22 ,  B01D67/00 ,  B01D71/64 ,  C08G73/10 ,  C08J5/18

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.

公开(公告)号：US12179180B1

公开(公告)日：2024-12-31

申请号：US18669187

申请日：2024-05-20

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Hanan A. Althikrallah ,  Saad Shaaban

IPC: B01J27/057 ,  B01J21/06 ,  B01J23/18 ,  B01J35/00 ,  B01J35/39 ,  B01J35/45 ,  B01J35/50 ,  B01J35/61 ,  B01J37/00 ,  B01J37/24

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.

公开(公告)号：US12150935B1

公开(公告)日：2024-11-26

申请号：US18636905

申请日：2024-04-16

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Saad Shaaban ,  Ahmed A. Al-Karmalawy ,  Ayman Abo Elmaaty

IPC: A61K31/427 ,  A61P35/00

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 is also described.

公开(公告)号：US12115524B1

公开(公告)日：2024-10-15

申请号：US18665066

申请日：2024-05-15

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Hanan A. Althikrallah ,  Saad Shaaban ,  Mohsen Ahmed

IPC: B01J37/04 ,  B01J31/12 ,  B01J35/39 ,  B01J37/08 ,  B01J37/24 ,  C07F11/00

CPC classification number: B01J31/122 ,  B01J37/04 ,  B01J37/084 ,  B01J37/24 ,  C07F11/00 ,  B01J35/39

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.

公开(公告)号：US12214338B1

公开(公告)日：2025-02-04

申请号：US18910711

申请日：2024-10-09

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Hanan A. Althikrallah ,  Saad Shaaban ,  Mohsen Ahmed

IPC: B01J31/12 ,  B01J35/39 ,  B01J37/04 ,  B01J37/08 ,  B01J37/24 ,  C07F11/00

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.

公开(公告)号：US12178806B1

公开(公告)日：2024-12-31

申请号：US18799676

申请日：2024-08-09

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Saad Shaaban ,  Ahmed A. Al-Karmalawy ,  Marwa Sharaky

IPC: A61K31/427

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.

公开(公告)号：US12172112B1

公开(公告)日：2024-12-24

申请号：US18808127

申请日：2024-08-19

Applicant: IMAM MOHAMMAD IBN SAUD ISLAMIC UNIVERSITY

Inventor： Tarek Ahmed Yousef ,  Osamah Abdulrahman Aldaghri ,  Saad Shaaban

IPC: B01D39/18 ,  B01D39/20 ,  B01D46/00 ,  B01D46/54 ,  B01J20/20 ,  B01J20/28 ,  B01J20/30 ,  D21C3/02 ,  D21C9/00 ,  D21C9/02 ,  D21C11/12 ,  D21H11/12 ,  D21H11/18 ,  D21H17/00 ,  D21H17/53 ,  D21H21/22 ,  D21H27/08 ,  D21C11/00 ,  D21H17/63

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.