Patents by Inventor Omer Refa Koseoglu

Omer Refa Koseoglu 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: 12655029
    Abstract: The present disclosure is directed to a method of manufacture of CHA framework crystalline materials of silica and a framework metal oxide. This is accomplished by using an improved sol-gel formulation including a water-soluble fraction of ODSO as an additional component. The resulting products include CHA framework crystalline materials of silica and a framework metal oxide, whereby a framework metal oxide can be an oxide of Al, Fe, B or Ga, and yields can be increased relative to comparable sol-gel formulations without ODSO.
    Type: Grant
    Filed: January 10, 2023
    Date of Patent: June 16, 2026
    Assignee: Saudi Arabian Oil Company
    Inventors: Robert Peter Hodgkins, Omer Refa Koseoglu
  • Patent number: 12649881
    Abstract: Methods for hydrocracking a hydrocarbon feed may include contacting an initial catalyst with a conditioning stream having from 50 ppmw to 5000 ppmw heavy polynuclear aromatic compounds to form a conditioned catalyst. The initial catalyst may include a zeolite, an amorphous silica-alumina, or both. The method includes contacting the conditioned catalyst with the hydrocarbon feed in the presence of hydrogen to crack all or a portion of the hydrocarbon feed to form a hydrocarbon product. The hydrocarbon feed has an initial boiling point greater than or equal to 325° C.
    Type: Grant
    Filed: May 30, 2024
    Date of Patent: June 9, 2026
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Patent number: 12624300
    Abstract: A process for upgrading a naphtha feed includes separating the naphtha feed into at least a light naphtha fraction, contacting the light naphtha fraction with hydrogen in the presence of at least one cyclization catalyst, and contacting the cyclization effluent with at least one cracking catalyst. Contacting the light naphtha fraction with hydrogen in the presence of at least one cyclization catalyst may produce a cyclization effluent comprising a greater concentration of naphthenes compared to the light naphtha fraction. Contacting the cyclization effluent with at least one cracking catalyst under conditions sufficient crack at least a portion of the cyclization effluent may produce a fluid catalytic cracking effluent comprising light olefins, gasoline blending components, or both. A system for upgrading a naphtha feed includes a naphtha separation unit, a cyclization unit disposed downstream of the naphtha separation unit, and a fluid catalytic cracking unit disposed downstream of the cyclization unit.
    Type: Grant
    Filed: March 20, 2024
    Date of Patent: May 12, 2026
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Patent number: 12616965
    Abstract: A composition of matter is provided comprising hierarchically ordered crystalline microporous material having well-defined long-range mesoporous ordering of cubic symmetry. The composition possesses mesopores having walls of crystalline microporous material and a mass of mesostructure between mesopores of crystalline microporous material. Long-range ordering is defined by presence of secondary peaks in an X-ray diffraction (XRD) pattern and/or cubic symmetry observable by microscopy.
    Type: Grant
    Filed: August 11, 2025
    Date of Patent: May 5, 2026
    Assignees: Saudi Arabian Oil Company, King Abdullah University of Science and Technology
    Inventors: Rajesh Kumar Parsapur, Robert Peter Hodgkins, Omer Refa Koseoglu, Kuo-Wei Huang, Anissa Bendjeriou Sedjerari
  • Patent number: 12606447
    Abstract: Mesoporous silica is disclosed possessing a two-dimensional, hexagonal, through-hole structure with a space group p6mm, that is formed using one or more water-soluble oxidized disulfide oil (ODSO) compounds during the synthesis to impart distinct characteristics including an increased percentage of silanol groups.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: April 21, 2026
    Assignee: Saudi Arabian Oil Company
    Inventors: Robert Peter Hodgkins, Omer Refa Koseoglu
  • Patent number: 12600736
    Abstract: Methods for synthesis of hierarchically ordered zeolites and zeolite-type materials are provided. Synthesized hierarchically ordered zeolites and zeolite-type materials formed according to the methods herein possess a high-degree of well-defined long-range mesoporous ordering. The methods include base-mediated reassembly, by dissolution of the parent material to the level of oligomeric structural building units of the parent material, and minimizing or avoiding amorphization/structural collapse. The dissolution and self-assembly is comprehensively controlled to produce hierarchically ordered zeolites and zeolite-type materials according to the methods herein.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: April 14, 2026
    Assignees: Saudi Arabian Oil Company, King Abdullah University of Science and Technology
    Inventors: Rajesh Kumar Parsapur, Robert P. Hodgkins, Omer Refa Koseoglu, Kuo-Wei Huang, Anissa Bendjeriou Sedjerari
  • Publication number: 20260092225
    Abstract: A method of hydrocracking a hydrocarbon oil may comprise contacting the hydrocarbon oil with a catalyst suitable for hydrocracking in the presence of hydrogen in a reactor, wherein the catalyst comprises from 19.9 wt. % to 97.9 wt. % of a support material; from 2 wt. % to 80 wt. % of a zeolitic material comprising a microporous framework comprising zirconium oxide, titanium oxide, or both; and from 0.1 wt. % to 40 wt. % of one or more metals, one or more metal oxides, or both. The one or more metals, the one or more metal oxides, or both, may be disposed on the microporous framework, the support material, or both. When the catalyst is utilized in a hydrocracking reaction to crack vacuum gas oil, the activation energy of the hydrocracking reaction may be less than or equal to 55 Kcal/mol.
    Type: Application
    Filed: October 2, 2024
    Publication date: April 2, 2026
    Applicants: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd.
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Hiroyuki Seki, Shigeyuki Nagano, Koji Uchida
  • Publication number: 20260091376
    Abstract: A catalyst suitable for hydrocracking may comprise from 19.9 wt. % to 97.9 wt. % of a support material; from 2 wt. % to 80 wt. % of a zeolitic material comprising a microporous framework comprising zirconium oxide, titanium oxide, or both; and from 0.1 wt. % to 40 wt. % of one or more metals, one or more metal oxides, or both. The one or more metals, the one or more metal oxides, or both, may be disposed on the microporous framework, the support material, or both. When the catalyst is utilized in a hydrocracking reaction to crack vacuum gas oil, the activation energy of the hydrocracking reaction may be less than or equal to 55 Kcal/mol.
    Type: Application
    Filed: October 2, 2024
    Publication date: April 2, 2026
    Applicants: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd.
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Hiroyuki Seki, Shigeyuki Nagano, Koji Uchida
  • Publication number: 20260091377
    Abstract: A method of making a catalyst suitable for hydrocracking may comprise: contacting an initial catalyst with a passivation agent to form a passivated catalyst, contacting the passivated catalyst with a metal precursor to form a doped catalyst, and heating the doped catalyst to form the catalyst. The initial catalyst may comprise acid sites, wherein the passivation agent binds to a portion or all of the acid sites on the initial catalyst.
    Type: Application
    Filed: October 2, 2024
    Publication date: April 2, 2026
    Applicants: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd.
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Hiroyuki Seki, Shigeyuki Nagano, Koji Uchida
  • Patent number: 12570588
    Abstract: In accordance with one or more embodiments of the present disclosure, a process for treating a diesel feedstock to convert diesel to component-paraffins includes hydrodesulfurizing and hydrodenitrogenizing the diesel feedstock to reduce a sulfur content of the diesel feedstock and a nitrogen content of the diesel feedstock; hydrocracking the hydrodesulfurized and hydrodenitrogenized diesel feedstock over a metal-containing diesel hydrocracking catalyst comprising at least one zeolite to produce a hydrocrackate fraction; separating the hydrocrackate fraction into a first stream enriched in n-paraffins and a second stream enriched in iso-paraffins and naphthenes; and reverse isomerizing at least a portion of the second stream over an isomerization catalyst to convert at least a portion of the iso-paraffins to n-paraffins, producing a reverse isomerate fraction.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: March 10, 2026
    Assignee: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Publication number: 20260055000
    Abstract: A composition of matter is provided comprising hierarchically ordered crystalline microporous material having well-defined long-range mesoporous ordering of lamellar symmetry. The composition possesses mesopores having walls of crystalline microporous material and a mass of mesostructure between mesopores of crystalline microporous material. Long-range ordering is defined by presence of secondary peaks in an X-ray diffraction (XRD) pattern and/or lamellar symmetry observable by microscopy.
    Type: Application
    Filed: April 14, 2025
    Publication date: February 26, 2026
    Applicants: Saudi Arabian Oil Company, King Abdullah University of Science and Technology
    Inventors: Rajesh Kumar PARSAPUR, Robert Peter HODGKINS, Omer Refa KOSEOGLU, Kuo-Wei HUANG, Anissa Bendjeriou SEDJERARI
  • Patent number: 12533664
    Abstract: Hydrotreating catalyst material and/or hydrotreating catalyst particles are provided having at least two hydrotreating metal components and a chelating agent carried on a support. The support comprises an inorganic oxide binder and a post-framework modified ultra-stable Y-type (USY) zeolite in which a portion of aluminum atoms constituting a zeolite framework thereof is substituted with zirconium atoms and/or titanium atoms and/or hafnium atoms. The hydrotreating metal components form a metal complex via the chelating agent, and are carried on said support as chelating complex type II active sites.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: January 27, 2026
    Assignees: Saudi Arabian Oil Company, JGC Catalyst & Chemicals Ltd, Japan Cooperation Center for Petroleum and Sustainable Energy
    Inventors: Omer Refa Koseoglu, Ali Alzaid, Kazuki Nakajima, Koji Uchida, Yusuke Matsumoto
  • Patent number: 12534674
    Abstract: A process for upgrading a naphtha feed includes separating the naphtha feed into at least a light naphtha fraction, contacting the light naphtha fraction with hydrogen in the presence of at least one cyclization catalyst, and contacting the cyclization effluent with at least one cracking catalyst. Contacting the light naphtha fraction with hydrogen in the presence of at least one cyclization catalyst may produce a cyclization effluent comprising a greater concentration of naphthenes compared to the light naphtha fraction. Contacting the cyclization effluent with at least one cracking catalyst under conditions sufficient crack at least a portion of the cyclization effluent may produce a fluid catalytic cracking effluent comprising light olefins, gasoline blending components, or both. A system for upgrading a naphtha feed includes a naphtha separation unit, a cyclization unit disposed downstream of the naphtha separation unit, and a fluid catalytic cracking unit disposed downstream of the cyclization unit.
    Type: Grant
    Filed: March 20, 2024
    Date of Patent: January 27, 2026
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Publication number: 20260015299
    Abstract: A method for alkylating arenes may comprise: passing a feedstock comprising one or more arenes into a reactor; contacting the feedstock with a zeolitic material in the reactor, wherein: in the reactor the one or more arenes are alkylated to form one or more alkylated arenes; the zeolitic material has a *BEA framework and comprises mesopores; and at least a portion of the mesopores are arranged in cubic symmetry.
    Type: Application
    Filed: July 15, 2024
    Publication date: January 15, 2026
    Applicants: Saudi Arabian Oil Company, King Abdullah University of Science and Technology
    Inventors: Robert Peter Hodgkins, Omer Refa Koseoglu, Rajesh Kumar Parsapur, Anissa Bendjeriou-Sedjerari, Kuo-Wei Huang, Magnus Rueping
  • Patent number: 12522509
    Abstract: The present disclosure is directed to a method to co-synthesize amorphous and crystalline porous materials, including a phase of crystalline solids possessing well-defined structures and uniform pore sizes, and an amorphous phase. A sol-gel formulation which includes a water-soluble fraction of ODSO as an additional component is provided that precipitates multiple solid phases.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: January 13, 2026
    Assignee: Saudi Arabian Oil Company
    Inventors: Robert Peter Hodgkins, Omer Refa Koseoglu
  • Patent number: 12515205
    Abstract: A hydrocracking catalyst comprises an active cracking support. The active cracking support comprises a post-modified zeolite framework having zirconium atoms and titanium atoms substituting for aluminum atoms; wherein: a portion of the zirconium atom are substituted in the post-modified zeolite via 4-coordination; a portion of the zirconium atom are grafted to the post-modified zeolite via 5-coordination; and the titanium atoms are substituted in the post-modified zeolite framework via 4-coordination.
    Type: Grant
    Filed: October 4, 2023
    Date of Patent: January 6, 2026
    Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd.
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Hiroyuki Seki, Shigeyuki Nagano
  • Publication number: 20260001064
    Abstract: A composition of matter is provided comprising hierarchically ordered crystalline microporous material having well-defined long-range mesoporous ordering of cubic symmetry. The composition possesses mesopores having walls of crystalline microporous material and a mass of mesostructure between mesopores of crystalline microporous material. Long-range ordering is defined by presence of secondary peaks in an X-ray diffraction (XRD) pattern and/or cubic symmetry observable by microscopy.
    Type: Application
    Filed: August 11, 2025
    Publication date: January 1, 2026
    Applicants: Saudi Arabian Oil Company, King Abdullah University of Science and Technology
    Inventors: Rajesh Kumar PARSAPUR, Robert Peter HODGKINS, Omer Refa KOSEOGLU, Kuo-Wei HUANG, Anissa Bendjeriou SEDJERARI
  • Publication number: 20250388825
    Abstract: A process for treatment of C9+ aromatic complex bottoms feedstream that includes reacting the feedstream in the presence of a hydrodearylation catalyst and hydrogen under specified reaction conditions for hydrodearylation to produce liquid effluents containing dearylated hydrocarbons and separating the liquid effluents into a BTEX-rich fraction and a solvent fraction, and recovering the solvent fraction.
    Type: Application
    Filed: June 24, 2024
    Publication date: December 25, 2025
    Applicant: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Robert Peter Hodgkins
  • Patent number: 12491505
    Abstract: A composition is provided for use in solid catalyst manufacture including an inorganic oxide and a peptization agent, for forming solid catalyst materials having improved structural properties are provided. The peptization agent includes one or more oxidized disulfide oil (“ODSO”) compounds. These ODSO compounds as peptization agents serve to improve the adhesion characteristics of the binder material, and as a result increase the particle strength of the final catalyst particles.
    Type: Grant
    Filed: April 19, 2024
    Date of Patent: December 9, 2025
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Guanghui Zhu, Omer Refa Koseoglu
  • Patent number: 12491501
    Abstract: The present disclosure is directed to a method of manufacture of faujasite zeolite including zeolite Y. A sol-gel formulation includes a water-soluble fraction of ODSO as an additional component. The resulting products include faujasite zeolite, and yields can be increased relative to comparable sol-gel formulations without ODSO.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: December 9, 2025
    Assignee: Saudi Arabain Oil Company
    Inventors: Robert P. Hodgkins, Omer Refa Koseoglu