Patents by Inventor Alexander Stanislaus

Alexander Stanislaus 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: 20240059629
    Abstract: Systems and methods for processing plastic derived pyrolysis oil are disclosed. A plastic derived pyrolysis oil and/or plastic are processed in a catalytic cracking unit and/or a thermal cracking unit under reaction conditions sufficient to produce a gaseous stream comprising propylene and a liquid stream. The liquid stream is further processed to produce additional propylene.
    Type: Application
    Filed: November 24, 2021
    Publication date: February 22, 2024
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Nicolas GOYHENEIX, Raul VELASCO PELAEZ, Robert SCHUCKER, Ravichander NARAYANASWAMY, Navin ASTHANA, Alexander STANISLAUS
  • Publication number: 20240059988
    Abstract: Systems and methods for processing hydrocarbons are disclosed. A crude oil, a crude oil fraction, and/or plastic pyrolysis oil is processed in a low pressure hydroprocessing unit to produce a cracker feed stream. The cracker feed stream is then flowed into a fluid catalytic cracking unit or a stream cracking unit to produce high value chemicals.
    Type: Application
    Filed: November 18, 2021
    Publication date: February 22, 2024
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ravichander NARAYANASWAMY, Alexander STANISLAUS, Girish KORIPELLY
  • Publication number: 20240052250
    Abstract: Systems and methods for processing a plastic are disclosed. The system includes a feeding device in fluid communication with a cracking unit. A feed stream comprising a plastic is depolymerized in the feeding device at a depolymerization temperature to produce a hydrocarbonaceous wax stream. The hydrocarbonaceous wax stream is then cracked in the cracking unit. The cracking is conducted at a cracking temperature that is lower than, or the same as the depolymerization temperature.
    Type: Application
    Filed: October 26, 2021
    Publication date: February 15, 2024
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ravichander NARAYANASWAMY, Alexander STANISLAUS, Girish KORIPELLY, Sivakumar PERIYASAMY, Sadasivam GOPALAKRISHNAN, Ranjith PUTHANVEEDU, Anilkumar METTU
  • Publication number: 20230407190
    Abstract: Systems and processes for producing olefins and aromatics. A process can include contacting a first hydrocarbon feed with a catalyst and a hydrogen source under conditions sufficient to produce a used catalyst and an intermediate stream containing olefins and aromatics, and contacting the used catalyst with the intermediate stream and a coke precursor feed to produce a spent coked catalyst and a products stream comprising additional olefins and aromatics.
    Type: Application
    Filed: October 28, 2021
    Publication date: December 21, 2023
    Applicant: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ravichander NARAYANASWAMY, Krishna Kumar RAMAMURTHY, Alexander STANISLAUS, Girish KORIPELLY, Mohammad JAVEED
  • Patent number: 11827857
    Abstract: Systems and methods for producing olefins and/or aromatics are disclosed. Methods disclosed includes thermal hydro-processing of crude oils and/or heavy oils and/or residues, in a thermal hydro-processing unit, to produce intermediate products, which can then be used to make valuable chemicals such as olefins and aromatics.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: November 28, 2023
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ravichander Narayanaswamy, Hatem Belfadhel, Girish Koripelly, Alexander Stanislaus, Krishna Kumar Ramamurthy, Krishnan Sankaranarayanan
  • Patent number: 11680028
    Abstract: Systems and methods for producing olefins and/or aromatics are disclosed. Methods disclosed includes aqua-processing hydro-processing of crude oils and/or heavy oils and/or residue, in an aqua-processing hydro-processing unit, to produce intermediate products, which can then be used to make valuable chemicals such as olefins and aromatics.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: June 20, 2023
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ravichander Narayanaswamy, Hatem Belfadhel, Girish Koripelly, Alexander Stanislaus, Krishna Kumar Ramamurthy, Krishnan Sankaranarayanan
  • Publication number: 20220106532
    Abstract: Systems and methods for producing olefins and/or aromatics are disclosed. Methods disclosed includes thermal hydro-processing of crude oils and/or heavy oils and/or residues, in a thermal hydro-processing unit, to produce intermediate products, which can then be used to make valuable chemicals such as olefins and aromatics.
    Type: Application
    Filed: January 27, 2020
    Publication date: April 7, 2022
    Applicant: SABIC Global Technologies B.V.
    Inventors: Ravichander NARAYANASWAMY, Hatem BELFADHEL, Girish KORIPELLY, Alexander STANISLAUS, Krishna Kumar RAMAMURTHY, Krishnan SANKARANARAYANAN
  • Publication number: 20220064084
    Abstract: Systems and methods for producing olefins and/or aromatics are disclosed. Methods disclosed includes aqua-processing hydro-processing of crude oils and/or heavy oils and/or residue, in an aqua-processing hydro-processing unit, to produce intermediate products, which can then be used to make valuable chemicals such as olefins and aromatics.
    Type: Application
    Filed: January 16, 2020
    Publication date: March 3, 2022
    Inventors: Ravichander NARAYANASWAMY, Hatem BELFADHEL, Girish KORIPELLY, Alexander STANISLAUS, Krishna Kumar RAMAMURTHY, Krishnan SANKARANARAYANAN
  • Patent number: 10975313
    Abstract: A process for producing benzene and xylenes comprising introducing hydrocarbon liquid stream to hydroprocessor to yield first gas stream and hydrocarbon product (C5+); optionally introducing hydrocarbon product to first aromatics separating unit to produce saturated hydrocarbons (C5+) and first aromatics stream (C6+); feeding hydrocarbon product and/or saturated hydrocarbons to reformer to produce reformer product, second gas stream, and hydrogen stream; introducing reformer product to second aromatics separating unit to produce a non-aromatics recycle stream and second aromatics stream comprising C6+ aromatics; recycling non-aromatics recycle stream to reformer; introducing first aromatics stream and/or second aromatics stream to third aromatics separating unit to produce first C6 aromatics (benzene), C7 aromatics (toluene), C8 aromatics (xylenesðylbenzene), C9 aromatics, C10 aromatics, and C11+ aromatics; introducing C7 aromatics, C9 aromatics, C10 aromatics, or combinations thereof to disproportiona
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: April 13, 2021
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Krishna Kumar Ramamurthy, Ravichander Narayanaswamy, Venkata Ramanarayanan Ganapathy Bhotla, Alexander Stanislaus, Santosh Ganji
  • Patent number: 10858593
    Abstract: A process for producing cumene comprising converting plastics to hydrocarbon liquid and pyrolysis gas; feeding hydrocarbon liquid to hydroprocessor to yield hydrocarbon product and first gas stream; feeding hydrocarbon product to reforming unit to produce reforming product, second gas stream, and hydrogen; separating reforming product into non-aromatics recycle stream and second aromatics stream (C6+ aromatics); recycling non-aromatics recycle stream to reforming unit; separating second aromatics stream into benzene, C7, C8, C9, C10, and C11+ aromatics; contacting C7, C9, and/or C10 aromatics with a disproportionation&transalkylation catalyst/H2 to yield benzene&xylenes; conveying C11+ aromatics to hydroprocessor; introducing pyrolysis gas, first and/or second gas stream to first separator to produce first propylene stream, first C2&C4 unsaturated stream, and saturated gas (H2 and C1-4 saturated hydrocarbons); introducing first C2&C4 unsaturated stream to metathesis reactor to produce second p
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 8, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Krishna Kumar Ramamurthy, Ravichander Narayanaswamy, Venkata Ramanarayanan Ganapathy Bhotla, Alexander Stanislaus, Santosh Ganji
  • Patent number: 10851309
    Abstract: A process for producing propylene and cumene comprising converting plastics to hydrocarbon liquid and pyrolysis gas in pyrolyzer; feeding hydrocarbon liquid to hydroprocessor to yield hydrocarbon product and first gas stream; introducing hydrocarbon product to second separator to produce first C6 aromatics and refined product; feeding refined product to steam cracker to produce steam cracker product; introducing steam cracker product to third separator to produce second C6 aromatics, third propylene stream, second C2&C4 unsaturated stream, C1-4 saturated gas, and balance hydrocarbons product; introducing pyrolysis gas and/or first gas stream to first separator to produce first propylene stream, first C2&C4 unsaturated stream, and saturated gas stream; feeding first and/or second C2&C4 unsaturated stream to metathesis reactor to produce second propylene stream; feeding first and/or second C6 aromatics, and first, second, and/or third propylene stream to alkylation unit to produce cumene; and convey
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 1, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Krishna Kumar Ramamurthy, Ravichander Bismillah Narayanaswamy, Venkata Ramanarayanan Ganapathy Bhotla, Alexander Stanislaus, Santosh Ganji
  • Patent number: 10829696
    Abstract: A process for dechlorination of a hydrocarbon stream and/or a hydrocarbon stream precursor comprising introducing the hydrocarbon stream and/or hydrocarbon stream precursor, a first zeolitic catalyst, and a stripping gas to a devolatilization extruder (DE) to produce an extruder effluent, wherein the hydrocarbon stream and/or hydrocarbon stream precursor comprises one or more chloride compounds in an amount of equal to or greater than about 10 ppm chloride, based on the total weight of the hydrocarbon stream and/or hydrocarbon stream precursor, and wherein the extruder effluent comprises one or more chloride compounds in an amount of less than the chloride amount in the hydrocarbon stream and/or hydrocarbon stream precursor.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: November 10, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Mohammad Javeed, Alexander Stanislaus, Abrar A. Hakeem, Girish Koripelly, Ravichander Narayanaswamy, Krishna Kumar Ramamurthy
  • Patent number: 10717936
    Abstract: A process for processing mixed plastics comprising simultaneous pyrolysis and dechlorination of the mixed plastics, the process comprising contacting the mixed plastics with a zeolitic catalyst in a pyrolysis unit to produce a hydrocarbon product comprising a gas phase and a liquid phase; and separating the hydrocarbon product into a hydrocarbon gas stream and a hydrocarbon liquid stream, wherein the hydrocarbon gas stream comprises at least a portion of the gas phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises at least a portion of the liquid phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises one or more chloride compounds in an amount of less than about 100 ppmw chloride, based on the total weight of the hydrocarbon liquid stream, and wherein the hydrocarbon liquid stream is characterized by a viscosity of less than about 400 cP at a temperature of 300° C.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 21, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Alexander Stanislaus, Ravichander Narayanaswamy, Krishna Kumar Ramamurthy, Santosh Ganji, Abrar A. Hakeem, Ashim Kumar Ghosh, Girish Koripelly, Mohammad Javeed
  • Publication number: 20200017772
    Abstract: A process for producing propylene and cumene comprising converting plastics to hydrocarbon liquid and pyrolysis gas in pyrolyzer; feeding hydrocarbon liquid to hydroprocessor to yield hydrocarbon product and first gas stream; introducing hydrocarbon product to second separator to produce first C6 aromatics and refined product; feeding refined product to steam cracker to produce steam cracker product; introducing steam cracker product to third separator to produce second C6 aromatics, third propylene stream, second C2&C4 unsaturated stream, C1-4 saturated gas, and balance hydrocarbons product; introducing pyrolysis gas and/or first gas stream to first separator to produce first propylene stream, first C2&C4 unsaturated stream, and saturated gas stream; feeding first and/or second C2&C4 unsaturated stream to metathesis reactor to produce second propylene stream; feeding first and/or second C6 aromatics, and first, second, and/or third propylene stream to alkylation unit to produce cumene; and convey
    Type: Application
    Filed: January 3, 2018
    Publication date: January 16, 2020
    Inventors: Krishna Kumar RAMAMURTHY, Ravichander NARAYANASWAMY, Venkata Ramanarayanan GANAPATHY BHOTLA, Alexander STANISLAUS, Santosh GANJI
  • Publication number: 20200017773
    Abstract: A process for producing benzene and xylenes comprising introducing hydrocarbon liquid stream to hydroprocessor to yield first gas stream and hydrocarbon product (C5+); optionally introducing hydrocarbon product to first aromatics separating unit to produce saturated hydrocarbons (C5+) and first aromatics stream (C6+); feeding hydrocarbon product and/or saturated hydrocarbons to reformer to produce reformer product, second gas stream, and hydrogen stream; introducing reformer product to second aromatics separating unit to produce a non-aromatics recycle stream and second aromatics stream comprising C6+ aromatics; recycling non-aromatics recycle stream to reformer; introducing first aromatics stream and/or second aromatics stream to third aromatics separating unit to produce first C6 aromatics (benzene), C7 aromatics (toluene), C8 aromatics (xylenesðylbenzene), C9
    Type: Application
    Filed: January 3, 2018
    Publication date: January 16, 2020
    Inventors: Krishna Kumar RAMAMURTHY, Ravichander NARAYANASWAMY, Venkata Ramanarayanan GANAPATHY BHOTLA, Alexander STANISLAUS, Santosh GANJI
  • Publication number: 20190367428
    Abstract: A process for producing cumene comprising converting plastics to hydrocarbon liquid and pyrolysis gas; feeding hydrocarbon liquid to hydroprocessor to yield hydrocarbon product and first gas stream; feeding hydrocarbon product to reforming unit to produce reforming product, second gas stream, and hydrogen; separating reforming product into non-aromatics recycle stream and second aromatics stream (C6+ aromatics); recycling non-aromatics recycle stream to reforming unit; separating second aromatics stream into benzene, C7, C8, C9, C10, and C11+ aromatics; contacting C7, C9, and/or C10 aromatics with a disproportionation&transalkylation catalyst/H2 to yield benzene&xylenes; conveying C11+ aromatics to hydroprocessor; introducing pyrolysis gas, first and/or second gas stream to first separator to produce first propylene stream, first C2&C4 unsaturated stream, and saturated gas (H2 and C1-4 saturated hydrocarbons); introducing first C2&C4 unsaturated stream to metathesis reactor to produce second p
    Type: Application
    Filed: January 3, 2018
    Publication date: December 5, 2019
    Inventors: Krishna Kumar RAMAMURTHY, Ravichander Bismillah NARAYANASWAMY, Venkata Ramanarayanan GANAPATHY BHOTLA, Alexander STANISLAUS, Santosh GANJI
  • Publication number: 20190299491
    Abstract: A process for processing mixed plastics comprising simultaneous pyrolysis and dechlorination of the mixed plastics, the process comprising contacting the mixed plastics with a zeolitic catalyst in a pyrolysis unit to produce a hydrocarbon product comprising a gas phase and a liquid phase; and separating the hydrocarbon product into a hydrocarbon gas stream and a hydrocarbon liquid stream, wherein the hydrocarbon gas stream comprises at least a portion of the gas phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises at least a portion of the liquid phase of the hydrocarbon product, wherein the hydrocarbon liquid stream comprises one or more chloride compounds in an amount of less than about 100 ppmw chloride, based on the total weight of the hydrocarbon liquid stream, and wherein the hydrocarbon liquid stream is characterized by a viscosity of less than about 400 cP at a temperature of 300° C.
    Type: Application
    Filed: July 17, 2017
    Publication date: October 3, 2019
    Inventors: Alexander STANISLAUS, Ravichander NARAYANASWAMY, Krishna Kumar RAMAMURTHY, Santosh GANJI, Abrar A. HAKEEM, Ashim Kumar GHOSH, Girish KORIPELLY, Mohammad JAVEED
  • Publication number: 20190270939
    Abstract: A process for dechlorination of a hydrocarbon stream and/or a hydrocarbon stream precursor comprising introducing the hydrocarbon stream and/or hydrocarbon stream precursor, a first zeolitic catalyst, and a stripping gas to a devolatilization extruder (DE) to produce an extruder effluent, wherein the hydrocarbon stream and/or hydrocarbon stream precursor comprises one or more chloride compounds in an amount of equal to or greater than about 10 ppm chloride, based on the total weight of the hydrocarbon stream and/or hydrocarbon stream precursor, and wherein the extruder effluent comprises one or more chloride compounds in an amount of less than the chloride amount in the hydrocarbon stream and/or hydrocarbon stream precursor.
    Type: Application
    Filed: July 17, 2017
    Publication date: September 5, 2019
    Inventors: Mohammad JAVEED, Alexander STANISLAUS, Abrar A. HAKEEM, Girish KORIPELLY, Ravichander NARAYANASWAMY, Krishna Kumar RAMAMURTHY
  • Publication number: 20160264884
    Abstract: A process for activating and maintaining a catalyst for use in hydrocracking a hydrocarbon stream includes continuously contacting a hydrocarbon stream with a hydroprocessing catalyst in the presence of hydrogen. Sulphides and chloride compounds in the hydrocarbon stream are used such that the hydroprocessing catalyst has the ability to hydrogenate, dechlorinate, and hydrocrack components of the hydrocarbon stream.
    Type: Application
    Filed: March 30, 2016
    Publication date: September 15, 2016
    Inventors: Ravichander NARAYANASWAMY, Krishna Kumar RAMAMURTHY, Alexander STANISLAUS, Mohammad JAVEED
  • Publication number: 20160264885
    Abstract: An integrated process for the conversion of waste plastics to high value products. The integrated process allows for operation with a hydroprocessing reactor which provides simultaneous hydrogenation, dechlorination, and hydrocracking of components of a hydrocarbon stream to specifications which meet steam cracker requirements.
    Type: Application
    Filed: March 30, 2016
    Publication date: September 15, 2016
    Inventors: Ravichander NARAYANASWAMY, Krishna Kumar RAMAMURTHY, Alexander STANISLAUS, Mohammad JAVEED