Patents by Inventor Kumar Ramamurthy
Kumar Ramamurthy 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).
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Patent number: 11991142Abstract: A virtual network device may identify a cloud provider associated with the virtual network device, and may provide a request for public network addresses and private network addresses associated with the cloud provider. The virtual network device may receive the public network addresses and the private network addresses from the cloud provider based on the request, and may generate a translation table that maps the public network addresses and the private network addresses. The virtual network device may utilize the translation table to establish a secure communication between an endpoint device and a server device, where the secure communication is associated with at least one packet that requires an inner payload network address change.Type: GrantFiled: March 16, 2023Date of Patent: May 21, 2024Assignee: Juniper Networks, Inc.Inventors: Dilip H. Sanghavi, Girish Kumar Attimgere Lingaiah, Sai Sundar Ramamurthy
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Publication number: 20230407190Abstract: 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: ApplicationFiled: October 28, 2021Publication date: December 21, 2023Applicant: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ravichander NARAYANASWAMY, Krishna Kumar RAMAMURTHY, Alexander STANISLAUS, Girish KORIPELLY, Mohammad JAVEED
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Patent number: 11827857Abstract: 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: GrantFiled: January 27, 2020Date of Patent: November 28, 2023Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ravichander Narayanaswamy, Hatem Belfadhel, Girish Koripelly, Alexander Stanislaus, Krishna Kumar Ramamurthy, Krishnan Sankaranarayanan
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Patent number: 11680028Abstract: 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: GrantFiled: January 16, 2020Date of Patent: June 20, 2023Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ravichander Narayanaswamy, Hatem Belfadhel, Girish Koripelly, Alexander Stanislaus, Krishna Kumar Ramamurthy, Krishnan Sankaranarayanan
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Publication number: 20220106532Abstract: 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: ApplicationFiled: January 27, 2020Publication date: April 7, 2022Applicant: SABIC Global Technologies B.V.Inventors: Ravichander NARAYANASWAMY, Hatem BELFADHEL, Girish KORIPELLY, Alexander STANISLAUS, Krishna Kumar RAMAMURTHY, Krishnan SANKARANARAYANAN
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Publication number: 20220064084Abstract: 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: ApplicationFiled: January 16, 2020Publication date: March 3, 2022Inventors: Ravichander NARAYANASWAMY, Hatem BELFADHEL, Girish KORIPELLY, Alexander STANISLAUS, Krishna Kumar RAMAMURTHY, Krishnan SANKARANARAYANAN
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Patent number: 10975313Abstract: 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 disproportionaType: GrantFiled: January 3, 2018Date of Patent: April 13, 2021Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Krishna Kumar Ramamurthy, Ravichander Narayanaswamy, Venkata Ramanarayanan Ganapathy Bhotla, Alexander Stanislaus, Santosh Ganji
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Patent number: 10927315Abstract: A process for producing olefins and aromatics comprising converting plastics to a hydrocarbon product comprising a gas phase and a liquid phase in a pyrolysis unit; separating the hydrocarbon product into a hydrocarbon gas stream comprising the gas phase and a hydrocarbon liquid stream comprising the liquid phase; feeding the hydrocarbon gas stream to a gas steam cracker to produce a gas steam cracker product comprising olefins, wherein an olefins amount in the gas steam cracker product is greater than in the hydrocarbon gas stream; separating the hydrocarbon liquid stream into a first fraction (b.p.<300° C.) and a second fraction (b.p>300° C.); feeding the first fraction to a liquid steam cracker to produce a liquid steam cracker product comprising olefins and aromatics, wherein an olefins amount in the liquid steam cracker product is greater than in the first fraction; and recycling the second fraction to the pyrolysis unit.Type: GrantFiled: October 4, 2017Date of Patent: February 23, 2021Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Krishna Kumar Ramamurthy, Nicolas Goyheneix, Ravichander Narayanaswamy, Lara Galan-Sanchez
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Patent number: 10865348Abstract: A process for hydrodealkylating a hydrocarbon stream comprising (a) contacting the hydrocarbon stream with a hydroprocessing catalyst in a hydroprocessing reactor in the presence of hydrogen to yield a hydrocarbon product, wherein the hydrocarbon stream contains C9+ aromatic hydrocarbons; and (b) recovering a treated hydrocarbon stream from the hydrocarbon product, wherein the treated hydrocarbon stream comprises C9+ aromatic hydrocarbons, wherein an amount of C9+ aromatic hydrocarbons in the treated hydrocarbon stream is less than an amount of C9+ aromatic hydrocarbons in the hydrocarbon stream due to hydrodealkylating of at least a portion of C9+ aromatic hydrocarbons from the hydrocarbon stream during the step (a) of contacting.Type: GrantFiled: June 8, 2017Date of Patent: December 15, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ravichander Narayanaswamy, Krishna Kumar Ramamurthy
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Patent number: 10865353Abstract: A process for producing olefins and aromatics comprising converting plastics to a hydrocarbon product comprising a gas phase and a liquid phase in a pyrolysis unit; separating the hydrocarbon product into a hydrocarbon gas stream comprising the gas phase and a hydrocarbon liquid stream comprising the liquid phase; feeding the hydrocarbon gas stream to a gas steam cracker to produce a gas steam cracker product comprising olefins, wherein an olefins amount in the gas steam cracker product is greater than in the hydrocarbon gas stream; separating the hydrocarbon liquid stream into a first fraction (b.p.<300° C.) and a second fraction (b.p>300° C.); feeding the first fraction to a liquid steam cracker to produce a liquid steam cracker product comprising olefins and aromatics, wherein an olefins amount in the liquid steam cracker product is greater than in the first fraction; and recycling the second fraction to the pyrolysis unit.Type: GrantFiled: October 4, 2017Date of Patent: December 15, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Krishna Kumar Ramamurthy, Nicolas Goyheneix, Ravichander Narayanaswamy, Lara Galan-Sanchez
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Patent number: 10858593Abstract: 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 pType: GrantFiled: January 3, 2018Date of Patent: December 8, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Krishna Kumar Ramamurthy, Ravichander Narayanaswamy, Venkata Ramanarayanan Ganapathy Bhotla, Alexander Stanislaus, Santosh Ganji
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Patent number: 10851309Abstract: 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 conveyType: GrantFiled: January 3, 2018Date of Patent: December 1, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Krishna Kumar Ramamurthy, Ravichander Bismillah Narayanaswamy, Venkata Ramanarayanan Ganapathy Bhotla, Alexander Stanislaus, Santosh Ganji
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Patent number: 10829696Abstract: 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: GrantFiled: July 17, 2017Date of Patent: November 10, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Mohammad Javeed, Alexander Stanislaus, Abrar A. Hakeem, Girish Koripelly, Ravichander Narayanaswamy, Krishna Kumar Ramamurthy
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Patent number: 10717936Abstract: 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: GrantFiled: July 17, 2017Date of Patent: July 21, 2020Assignee: 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
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Patent number: 10563130Abstract: Disclosed is a method for producing olefins and aromatic compounds from a hydrogen lean carbon containing feed, the method comprising hydropyrolyzing the hydrogen lean carbon containing feed in the presence of a hydrogen donor feed under reaction conditions sufficient to produce a product comprising olefins and aromatic compounds or a hydrocarbonaceous stream, wherein the hydrocarbonaceous stream is further processed into olefins and aromatic compounds, wherein the olefins and aromatic compounds from (i) or the hydrocarbonaceous stream from (ii) are each obtained by hydrogenation of the hydrogen lean carbon containing feed with the hydrogen donor feed and cracking of carbonaceous compounds comprised in the hydrogenated feed, and wherein the hydrogen donor feed comprises a compound that donates hydrogen to carbonaceous compounds in the hydrogen lean feed.Type: GrantFiled: July 13, 2015Date of Patent: February 18, 2020Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ravichander Narayanaswamy, Krishna Kumar Ramamurthy, Sreenivasan Perinkulam Subramanian
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Publication number: 20200017772Abstract: 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 conveyType: ApplicationFiled: January 3, 2018Publication date: January 16, 2020Inventors: Krishna Kumar RAMAMURTHY, Ravichander NARAYANASWAMY, Venkata Ramanarayanan GANAPATHY BHOTLA, Alexander STANISLAUS, Santosh GANJI
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Publication number: 20200017773Abstract: 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), C9Type: ApplicationFiled: January 3, 2018Publication date: January 16, 2020Inventors: Krishna Kumar RAMAMURTHY, Ravichander NARAYANASWAMY, Venkata Ramanarayanan GANAPATHY BHOTLA, Alexander STANISLAUS, Santosh GANJI
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Patent number: 10513661Abstract: A process for processing plastic waste comprising converting plastic waste to hydrocarbon liquid and a first C1-4 gas; contacting hydrocarbon liquid with a first hydroprocessing catalyst in hydroprocessing unit to yield a second C1-4 gas and a first hydrocarbon product comprising C5+ liquid hydrocarbons; introducing the first hydrocarbon product to a first separating unit to produce treated hydrocarbon stream comprising C5-8 hydrocarbons and a first heavies stream comprising C9+ hydrocarbons; contacting the first heavies stream with a second hydroprocessing catalyst in hydrodealkylating unit to yield a second hydrocarbon product comprising C5+ liquid hydrocarbons and a third C1-4 gas; conveying the second hydrocarbon product to the first separating unit; feeding treated hydrocarbon stream to steam cracker to produce steam cracker product; separating steam cracker product into olefin gas, saturated hydrocarbons gas, aromatics, and a second heavies stream; and conveying the second heavies stream to hydroprocessType: GrantFiled: September 21, 2017Date of Patent: December 24, 2019Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ravichander Narayanaswamy, Krishna Kumar Ramamurthy, Abrar A. Hakeem, Lara Galan-Sanchez, Nicolas Goyheneix, Santosh Ganji
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Publication number: 20190367428Abstract: 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 pType: ApplicationFiled: January 3, 2018Publication date: December 5, 2019Inventors: Krishna Kumar RAMAMURTHY, Ravichander Bismillah NARAYANASWAMY, Venkata Ramanarayanan GANAPATHY BHOTLA, Alexander STANISLAUS, Santosh GANJI
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Publication number: 20190365874Abstract: Provided are Adenosine Deaminase (ADA), or a polypeptides or peptides having an ADA activity, or an ADA conjugate, pharmaceutical compositions and formulations, products of manufacture and kits, and methods containing them for the prevention and treatment of a scleroderma-associated vasculopathy, in particular proliferative obliterative vasculopathy, progressive obliterative vasculopathy or an idiopathic obliterative vasculopathy and/or preventing or decreasing the progression of scleroderma, wherein optionally the scleroderma comprises a local scleroderma or a diffuse, or a systemic scleroderma.Type: ApplicationFiled: June 21, 2019Publication date: December 5, 2019Inventors: Brian Dean Schreiber, Gianfranco Fornasini, Nadejda Soukhareva, Santosh Kumar Ramamurthy