Patents by Inventor Ashok Kumar Punetha

Ashok Kumar Punetha 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: 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: 20250346820
    Abstract: Crude oil obtained from a subterranean formation is fractionated to separate an atmospheric residue stream from the crude oil. At least a portion of the atmospheric residue stream is fractionated to separate a vacuum residue stream from the atmospheric residue stream. A feedstock including the vacuum residue stream, a second portion of the atmospheric residue stream, or both are upgraded to produce a middle distillate stream. At least a portion of the middle distillate stream is hydrogenated to produce a hydrogenated stream. Carbon-carbon bonds of the hydrogenated stream are broken in the presence of steam to produce a mixed gas product including light olefins and a liquid product. The liquid product is recycled to deep hydrogenation.
    Type: Application
    Filed: May 9, 2024
    Publication date: November 13, 2025
    Inventors: Ashok Kumar Punetha, Omer Refa Koseoglu
  • Publication number: 20240383825
    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: Application
    Filed: May 19, 2023
    Publication date: November 21, 2024
    Applicant: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Patent number: 12109559
    Abstract: This disclosure relates to slurry-phase catalyst compositions comprising a metal complex and disulfide oil, and methods of making said compositions in slurry-phase hydrocracking units.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: October 8, 2024
    Assignee: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Publication number: 20230383197
    Abstract: This disclosure relates to catalyst compositions comprising a metal complex and aromatic bottoms comprising C9+ hydrocarbons, methods of forming catalyst compositions, and methods of hydrocracking petroleum compositions.
    Type: Application
    Filed: May 31, 2022
    Publication date: November 30, 2023
    Applicant: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Publication number: 20230285952
    Abstract: This disclosure relates to slurry-phase catalyst compositions comprising a metal complex and disulfide oil, and methods of making said compositions in slurry-phase hydrocracking units.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 14, 2023
    Applicant: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Patent number: 11674095
    Abstract: A process of reforming a diesel feedstock to convert diesel to a gasoline blending component may include desulfurizing and denitrogenizing the diesel feedstock to reduce the sulfur and nitrogen content; and then hydrocracking the diesel feedstock over a metal containing zeolitic catalyst to produce an isomerate fraction. The diesel feedstock may have boiling points ranging from 200 to 360° C.
    Type: Grant
    Filed: March 7, 2022
    Date of Patent: June 13, 2023
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Patent number: 11473022
    Abstract: In accordance with one or more embodiments of the present disclosure, process for reforming a diesel feedstock to convert diesel to a gasoline blending component 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 an isomerate fraction; and separating the isomerate fraction into a first stream enriched in n-paraffins and a second stream enriched in iso-paraffins and naphthenes.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: October 18, 2022
    Assignee: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Publication number: 20220213396
    Abstract: In accordance with one or more embodiments of the present disclosure, process for reforming a diesel feedstock to convert diesel to a gasoline blending component 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 an isomerate fraction; and separating the isomerate fraction into a first stream enriched in n-paraffins and a second stream enriched in iso-paraffins and naphthenes.
    Type: Application
    Filed: January 7, 2021
    Publication date: July 7, 2022
    Applicant: Saudi Arabian Oil Company
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Publication number: 20220186127
    Abstract: A process of reforming a diesel feedstock to convert diesel to a gasoline blending component may include desulfurizing and denitrogenizing the diesel feedstock to reduce the sulfur and nitrogen content; and then hydrocracking the diesel feedstock over a metal containing zeolitic catalyst to produce an isomerate fraction. The diesel feedstock may have boiling points ranging from 200 to 360° C.
    Type: Application
    Filed: March 7, 2022
    Publication date: June 16, 2022
    Applicant: SAUDI ARABIAN OIL COMPANY
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Patent number: 11312913
    Abstract: A process of reforming a diesel feedstock to convert diesel to a gasoline blending component may include desulfurizing and denitrogenizing the diesel feedstock to reduce the sulfur and nitrogen content; and then hydrocracking the diesel feedstock over a metal containing zeolitic catalyst to produce an isomerate fraction. The diesel feedstock may have boiling points ranging from 200 to 360° C.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: April 26, 2022
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha
  • Publication number: 20210179953
    Abstract: A process of reforming a diesel feedstock to convert diesel to a gasoline blending component may include desulfurizing and denitrogenizing the diesel feedstock to reduce the sulfur and nitrogen content; and then hydrocracking the diesel feedstock over a metal containing zeolitic catalyst to produce an isomerate fraction. The diesel feedstock may have boiling points ranging from 200 to 360° C.
    Type: Application
    Filed: December 11, 2019
    Publication date: June 17, 2021
    Applicant: SAUDI ARABIAN OIL COMPANY
    Inventors: Omer Refa Koseoglu, Ashok Kumar Punetha