Patents by Inventor Shaikh Asrof Ali

Shaikh Asrof Ali 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).

  • Publication number: 20220145179
    Abstract: Methods for preparing alkenylphenone corrosion inhibiting compositions may include providing an arylacetone and reacting the arylacetone with formaldehyde in the presence of a strong base catalyst. Corrosion inhibiting compositions may include an alkenylphenone, which may be prepared by a method including providing an arylacetone and reacting the arylacetone with formaldehyde in the presence of a strong base catalyst. Methods of inhibiting corrosion of a steel surface of an oilfield equipment component may include contacting the steel surface with an aqueous solution comprising a corrosion inhibitor. The corrosion inhibitor may include a composition containing an alkenylphenone prepared by reacting an arylacetone with formaldehyde in the presence of a strong base catalyst.
    Type: Application
    Filed: November 12, 2020
    Publication date: May 12, 2022
    Applicants: SAUDI ARABIAN OIL COMPANY, KING FAHD UNIVERSITY OF PETROLEUM & MINERALS
    Inventors: Mohammad Abu Jafar Mazumder, Shaikh Asrof Ali, Nurudeen Odewunmi, Bader Alharbi, Norah Aljeaban, Tao Chen, Salem Balharth
  • Patent number: 11060042
    Abstract: Copolymers having General Formula (I): in which R1 is chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where: the divalent C4-C7 heteroaliphatic groups include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: July 13, 2021
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Khalid Majnouni, Rashed Alessa, Abdullah Al-Malki, Hassan Al-Ajwad, Mohammed Al-Daous, Shaikh Asrof Ali
  • Patent number: 11059926
    Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: July 13, 2021
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Abdullah Al-Malki, Manal Al-Eid, Mohammed Al-Daous, Shaikh Asrof Ali, Khalid Majnouni
  • Publication number: 20200148828
    Abstract: Copolymers having General Formula (I): in which R1 is chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where: the divalent C4-C7 heteroaliphatic groups include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates.
    Type: Application
    Filed: December 27, 2019
    Publication date: May 14, 2020
    Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Khalid Majnouni, Rashed Alessa, Abdullah Al-Malki, Hassan Al-Ajwad, Mohammed Al-Daous, Shaikh Asrof Ali
  • Publication number: 20200115484
    Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combination thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).
    Type: Application
    Filed: December 11, 2019
    Publication date: April 16, 2020
    Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Abdullah Al-Malki, Manal Al-Eid, Mohammed Al-Daous, Shaikh Asrof Ali, Khalid Majnouni
  • Patent number: 10550215
    Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combination thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: February 4, 2020
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Abdullah Al-Malki, Manal Al-Eid, Mohammed Al-Daous, Shaikh Asrof Ali, Khalid Majnouni
  • Patent number: 10189986
    Abstract: Copolymers having General Formula (I): in which R1, R2, and R3 are chosen from C1 to C30 aliphatic groups, R4 is chosen from divalent C4 to C7 linear aliphatic groups and divalent C4 to C7 linear heteroaliphatic groups, optionally substituted with one or more C1-C6 linear aliphatic groups, C1-C6 branched aliphatic groups, or combination thereof, R5, R6, and R7 are each independently chosen from methyl or hydrogen, x is chosen from 0 to 0.8, y is chosen from 0 to 0.8, when y is 0, x is greater than 0, and when x is 0, y is greater than 0, and z is chosen from 0.1 to 0.9. The summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates, including contacting the fluid with at least one copolymer of General Formula (I).
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: January 29, 2019
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Khalid Majnouni, Rashed Alessa, Abdullah Al-Malki, Mohammed Al-Daous, Hassan Al-Ajwad, Shaikh Asrof Ali, Shadi Adel, Megat Rithauddeen
  • Patent number: 9890228
    Abstract: Cross-linked tetrapolymers made up of different diallyl zwitterionic diallyl quaternary ammonium salt monomers, with one of them functioning as a cross-linking monomer. The cross-linked terpolymers include a repeating unit with multiple ligand centers that different metal ions can bind to. The cross-linked tetrapolymers are cationic, zwitterionic and anionic, and can be in either an acidic form or a basic form. A method of removing metal ions from an aqueous solution with these cross-linked tetrapolymers is also described.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: February 13, 2018
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Shamsuddeen Abdullahi Haladu, Shaikh Asrof Ali, Tawfik Abdo Saleh
  • Publication number: 20180022840
    Abstract: Cross-linked tetrapolymers made up of different diallyl zwitterionic diallyl quaternary ammonium salt monomers, with one of them functioning as a cross-linking monomer. The cross-linked terpolymers include a repeating unit with multiple ligand centers that different metal ions can bind to. The cross-linked tetrapolymers are cationic, zwitterionic and anionic, and can be in either an acidic form or a basic form. A method of removing metal ions from an aqueous solution with these cross-linked tetrapolymers is also described.
    Type: Application
    Filed: September 6, 2017
    Publication date: January 25, 2018
    Applicant: KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    Inventors: Shamsuddeen Abdullahi HALADU, Shaikh Asrof ALI, Tawfik Abdo SALEH
  • Patent number: 9868894
    Abstract: An aminoalkyl imidazolines of the formula: having p-octyloxy-, p-dodecyloxy-, or p-octadecyloxy-phenyl pendants as hydrophobes, for use to mitigate mild steel corrosion. An electron-rich aromatic ring, in conjugation with an amidine motif, imparts increasing corrosion inhibition efficiencies with an increasing hydrophobe chain length. X-ray photoelectron spectroscopy confirms the formation of an aminoalkyl imidazoline film on a metal surface prior to reaching a critical molar concentration.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: January 16, 2018
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Mohammad Abu Jafar Mazumder, Shaikh Asrof Ali, Hasan Ali Al-Muallem
  • Patent number: 9856334
    Abstract: Cross-linked cyclopolymeric resins from N,N-diallyl quaternary ammonium monomers and tetrallylpiperazinium cross-linking monomer or salts, solvates, tautomers or stereoisomers as adsorbent materials for the removal of heavy metals from aqueous solution. A process for producing the cross-linked cyclopolymeric resins by Butler cyclocopolymerization of the monomers with a free radical initiator. The cross linked cyclopolymeric resins are polyzwitterionic or polyzwitterionic and dianionic and feature repeating units with multiple chelating centers that heavy metal ions can bind to. In addition, a method for removing heavy metals from aqueous solution via contacting and treatment with the cross-linked cyclopolymeric resins.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: January 2, 2018
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Tawfik Abdo Saleh, Shaikh Asrof Ali, Shamsuddeen Abdullahi Haladu
  • Publication number: 20170369765
    Abstract: An aminoalkyl imidazolines of the formula: having p-octyloxy-, p-dodecyloxy-, or p-octadecyloxy-phenyl pendants as hydrophobes, for use to mitigate mild steel corrosion. An electron-rich -aromatic ring, in conjugation with an amidine motif, imparts increasing corrosion inhibition efficiencies with an increasing hydrophobe chain length. X-ray photoelectron spectroscopy confirms the formation of an aminoalkyl imidazoline film on a metal surface prior to reaching a critical molar concentration.
    Type: Application
    Filed: September 6, 2017
    Publication date: December 28, 2017
    Applicant: King Fahd University of Petroleum and Minerals
    Inventors: Mohammad Abu JAFAR MAZUMDER, Shaikh Asrof ALI, Hasan Ali AL-MUALLEM
  • Patent number: 9816024
    Abstract: An aminoalkyl imidazolines of the formula: having p-octyloxy-, p-dodecyloxy-, or p-octadecyloxy-phenyl pendants as hydrophobes, for use to mitigate mild steel corrosion. An electron-rich aromatic ring, in conjugation with an amidine motif, imparts increasing corrosion inhibition efficiencies with an increasing hydrophobe chain length. X-ray photoelectron spectroscopy confirms the formation of an aminoalkyl imidazoline film on a metal surface prior to reaching a critical molar concentration.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: November 14, 2017
    Assignee: King Fahd University of Pertoleum and Minerals
    Inventors: Mohammad Abu Jafar Mazumder, Shaikh Asrof Ali, Hasan Ali Al-Muallem
  • Publication number: 20170321050
    Abstract: Copolymers having General Formula (I): in which R1, R2, and R3 are chosen from C1 to C30 aliphatic groups, R4 is chosen from divalent C4 to C7 linear aliphatic groups and divalent C4 to C7 linear heteroaliphatic groups, optionally substituted with one or more C1-C6 linear aliphatic groups, C1-C6 branched aliphatic groups, or combination thereof, R5, R6, and R7 are each independently chosen from methyl or hydrogen, x is chosen from 0 to 0.8, y is chosen from 0 to 0.8, when y is 0, x is greater than 0, and when x is 0, y is greater than 0, and z is chosen from 0.1 to 0.9. The summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates, including contacting the fluid with at least one copolymer of General Formula (I).
    Type: Application
    Filed: May 2, 2017
    Publication date: November 9, 2017
    Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Khalid Majnouni, Rashed Alessa, Abdullah Al-Malki, Mohammed Al-Daous, Hassan Al-Ajwad, Shaikh Asrof Ali, Shadi Adel, Megat Rithauddeen
  • Publication number: 20170321012
    Abstract: Copolymers having General Formula (I): in which R1 is chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combinations thereof, where: the divalent C4-C7 heteroaliphatic groups include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 is two; x is a molar fraction range chosen from 0.05 to 0.95; and y is a molar fraction range chosen from 0.05 to 0.95, where the summation of x and y equals 1. Methods for inhibiting formation of clathrate hydrates in a fluid capable of forming the clathrate hydrates. The methods include contacting the fluid with at least one copolymer of General Formula (I) under conditions suitable for forming the clathrate hydrates.
    Type: Application
    Filed: May 2, 2017
    Publication date: November 9, 2017
    Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Mohamed Elanany, Khalid Majnouni, Rashed Alessa, Abdullah Al-Malki, Hassan Al-Ajwad, Mohammed Al-Daous, Shaikh Asrof Ali
  • Publication number: 20170321108
    Abstract: Copolymers having General Formula (I): in which R1 and R3 are chosen from divalent C4-C7 aliphatic groups and divalent C4-C7 heteroaliphatic groups, optionally substituted with one or more C1-C6 aliphatic groups, heteroatoms independently chosen from O, N, and S, or combination thereof, where the divalent C4-C7 heteroaliphatic groups of R1 and R3 include one or two heteroatoms independently chosen from O, N, and S, and the maximum number of heteroatoms in R1 or R3 is two, R2 is chosen from Q1 and Q2, x is a molar fraction range chosen from 0.1 to 0.9, y is a molar fraction range chosen from 0.1 to 0.9, and z is a molar fraction range chosen from 0 to 0.8, where the summation of x, y, and z equals 1. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with at least one copolymer of General Formula (I).
    Type: Application
    Filed: May 3, 2017
    Publication date: November 9, 2017
    Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum & Minerals
    Inventors: Khalid Majnouni, Abdullah Al-Malki, Mohamed Elanany, Manal Al-Eid, Mohammed Al-Daous, Shaikh Asrof Ali
  • Publication number: 20170320985
    Abstract: Methods for synthesizing acryloyl-based copolymers. The methods include providing a free radical initiator with a solution including monomeric repeating units, a chain transfer agent, and an organic solvent to form a reaction mixture, in which the monomeric repeating units include a first monomeric repeating unit having formula (1a), a second monomeric repeating unit having formula (1b) or (1d), and optionally a third monomeric repeating unit having formula (1c): in which the organic solvent is chosen from monoethylene glycol, ethanol, toluene, or combination thereof; and (B) initiating a polymerization reaction in the reaction mixture to polymerize the monomeric repeating units, thereby synthesizing the acryloyl-based copolymer. Methods for inhibiting formation of clathrate hydrates include contacting a fluid with the acryloyl-based copolymer synthesized in the reaction mixture.
    Type: Application
    Filed: May 3, 2017
    Publication date: November 9, 2017
    Applicants: Saudi Arabian Oil Company, King Fahd University of Petroleum and Minerals
    Inventors: Sameer A. Al-Ghamdi, Abdullah Al-Malki, Manal Al-Eid, Mohamed Elanany, Shaikh Asrof Ali
  • Patent number: 9790296
    Abstract: Cross-linked tetrapolymers made up of different diallyl zwitterionic diallyl quaternary ammonium salt monomers, with one of them functioning as a cross-linking monomer. The cross-linked terpolymers include a repeating unit with multiple ligand centers that different metal ions can bind to. The cross-linked tetrapolymers are cationic, zwitterionic and anionic, and can be in either an acidic form or a basic form. A method of removing metal ions from an aqueous solution with these cross-linked tetrapolymers is also described.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: October 17, 2017
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Shamsuddeen Abdullahi Haladu, Shaikh Asrof Ali, Tawfik Abdo Saleh
  • Patent number: 9782768
    Abstract: Cross-linked cyclocopolymers made up of one or more quaternary ammonium salts and sulfur dioxide as monomers. One of the quaternary ammonium salts is also an aspartic acid derivative. The cross-linked copolymers include a repeating unit with multiple chelating centers that different metal ions can bind to. The cross-linked copolymers are zwitterionic or anionic, and can be in either an acidic form or a basic form. A method for removing metal ions from an aqueous sample with these cross-linked copolymers is also described.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: October 10, 2017
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Zakariyah Abdulkareem Jamiu, Tawfik Abdo Saleh, Shaikh Asrof Ali
  • Patent number: 9771657
    Abstract: Compounds and methods of inhibiting corrosion of mild steel. Compounds disclosed herein are cationic and contain multiple functional motifs such as propargyl, cinnamaldehyde, isoxazolidine and hydrophobe. These compounds are found to be effective in inhibiting mild steel corrosion in HCl, H2SO4, NaCl and CO2-saturated environments.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: September 26, 2017
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Shaikh Asrof Ali, Mohammad Abu Jafar Mazumder, Hasan Ali Al-Muallem