Patents by Inventor Madhusudhan Rao PANCHAGNULA

Madhusudhan Rao PANCHAGNULA 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: 11952539
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from solid biomass and/or residual waste feedstocks.
    Type: Grant
    Filed: January 28, 2015
    Date of Patent: April 9, 2024
    Assignee: SHELL USA, INC.
    Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Madhusudhan Rao Panchagnula, Laxmi Narasimhan Chilkoor Soundararajan, Srikant Gopal
  • Patent number: 11174438
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a biomass, biomass containing and/or biomass-derived feedstock, said process comprising the steps of: a) contacting the feedstock with a first hydropyrolysis catalyst composition and molecular hydrogen in a first hydropyrolysis reactor vessel at a temperature in the range of from 350 to 600° C. and a pressure in the range of from 0.50 to 7.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: November 16, 2021
    Assignee: SHELL OIL COMPANY
    Inventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
  • Patent number: 10822545
    Abstract: A process for producing liquid hydrocarbon products from a biomass feedstock is provided.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: November 3, 2020
    Assignee: Shell Oil Company
    Inventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
  • Patent number: 10526555
    Abstract: A process for producing methane from a biomass, biomass-containing and/or biomass-derived feedstock is provided. The process comprises: a) providing in a hydropyrolysis reactor vessel a hydropyrolysis catalyst composition, said composition comprising one or more active metals supported on an oxide-based support, said one or more active metals comprising at least one of cobalt and nickel and said one or more active metals being present in total in an amount in the range of from 2 to 75 wt % based on the overall weight of the catalyst composition; b) contacting the feedstock with said hydropyrolysis catalyst composition and molecular hydrogen in said hydropyrolysis reactor vessel, to produce a first product stream comprising char, catalyst fines and gases comprising hydrogen and hydrocarbons, of which hydrocarbons at least 70 wt % is methane and, optionally, CO and CO2; and c) removing said char and catalyst fines from said first product stream.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: January 7, 2020
    Assignee: SHELL OIL COMPANY
    Inventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Dhairya Dilip Mehta
  • Publication number: 20190153324
    Abstract: A process for producing liquid hydrocarbon products from a biomass feedstock is provided.
    Type: Application
    Filed: May 23, 2017
    Publication date: May 23, 2019
    Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
  • Patent number: 10190056
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: January 29, 2019
    Assignee: SHELL OIL COMPANY
    Inventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Srikant Gopal, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
  • Patent number: 10174259
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: January 8, 2019
    Assignee: SHELL OIL COMPANY
    Inventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
  • Patent number: 10167429
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapor phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: January 1, 2019
    Assignee: SHELL OIL COMPANY
    Inventors: Vikrant Nanasaheb Urade, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula, Alan Anthony Del Paggio
  • Publication number: 20180273864
    Abstract: A process for producing methane from a biomass, biomass-containing and/or biomass-derived feedstock is provided. The process comprises: a) providing in a hydropyrolysis reactor vessel a hydropyrolysis catalyst composition, said composition comprising one or more active metals supported on an oxide-based support, said one or more active metals comprising at least one of cobalt and nickel and said one or more active metals being present in total in an amount in the range of from 2 to 75 wt % based on the overall weight of the catalyst composition; b) contacting the feedstock with said hydropyrolysis catalyst composition and molecular hydrogen in said hydropyrolysis reactor vessel, to produce a first product stream comprising char, catalyst fines and gases comprising hydrogen and hydrocarbons, of which hydrocarbons at least 70 wt % is methane and, optionally, CO and CO2; and c) removing said char and catalyst fines from said first product stream.
    Type: Application
    Filed: September 23, 2016
    Publication date: September 27, 2018
    Applicant: Shell Oil Company
    Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Dhairya Dilip MEHTA
  • Publication number: 20180245000
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a biomass, biomass containing and/or biomass-derived feedstock, said process comprising the steps of: a) contacting the feedstock with a first hydropyrolysis catalyst composition and molecular hydrogen in a first hydropyrolysis reactor vessel at a temperature in the range of from 350 to 600° C. and a pressure in the range of from 0.50 to 7.
    Type: Application
    Filed: September 5, 2016
    Publication date: August 30, 2018
    Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
  • Patent number: 10005965
    Abstract: A process for converting one or more C3-C12 oxygenates comprising oxygenates comprising: contacting a feed, which feed comprises one or more C3-C12 oxygenates, with hydrogen at a hydrogen partial pressure of more than 1.0 Mega Pascal in the presence of a sulphided carbon-carbon coupling catalyst; wherein the carbon-carbon coupling catalyst comprises equal to or more than 60 wt % of a zeolite and in the range from equal to or more than 0.1 wt % to equal to or less than 10 wt % of a hydrogenation metal, based on the total weight of the carbon-carbon coupling catalyst; and wherein the zeolite comprises 10-membered and/or 12-membered ring channels and a Silica to Alumina molar Ratio (SAR) in the range from equal to or more than 10 to equal to or less than 300.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: June 26, 2018
    Assignee: SHELL OIL COMPANY
    Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula
  • Patent number: 10005964
    Abstract: A process for converting a biomass material comprising a) converting a biomass material in one or more steps into one or more C3-C12 oxygenates; b) contacting the one or more C3-C12 oxygenates with hydrogen at a hydrogen partial pressure of more than 1.0 MegaPascal in the presence of a sulphided carbon-carbon coupling catalyst; wherein the carbon-carbon coupling catalyst comprises equal to or more than 60 wt % of a zeolite and in the range from equal to or more than 0.1% wt to equal to or less than 10 wt % of a hydrogenation metal, based on the total weight of the carbon-carbon coupling catalyst.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: June 26, 2018
    Assignee: SHELL OIL COMPANY
    Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula
  • Patent number: 9868909
    Abstract: A process for converting one or more C3-C12 oxygenates comprising: 1) contacting a feed comprising C3-C12 oxygenates with hydrogen in the presence of a sulphided hydrogenation catalyst to produce a partially hydrogenated effluent; 2) contacting the partially hydrogenated effluent with hydrogen at a hydrogen partial pressure of at least 0.1 MegaPascal in the presence of a sulphided carbon-carbon coupling catalyst to produce a conversion product; 3) optionally contacting at least part of the conversion product with hydrogen in the presence of a sulphided hydrotreating catalyst and/or a sulphided hydroisomerization catalyst to produce a conversion product; and 4) optionally purifying the conversion product, optionally hydrotreated and/or hydroisomerized, conversion product to obtain a final product, wherein the carbon-carbon coupling catalyst comprises at least 60 wt % of a zeolite and in the range from 0.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: January 16, 2018
    Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Laxmi Narasimhan Chilkoor Soundararajan, Madhusudhan Rao Panchagnula
  • Patent number: 9782722
    Abstract: The present invention provides a catalyst for the decomposition of nitrous oxide, said catalyst comprising oxides of cobalt, zinc and aluminum and an alkali metal promoter.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: October 10, 2017
    Assignee: SHELL OIL COMPANY
    Inventors: Srikant Gopal, Andreas Klemt, Ralf Schricker, Madhusudhan Rao Panchagnula
  • Publication number: 20170130134
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition, said composition comprising one or more active metals selected from cobalt, molybdenum, nickel, tungsten, ruthenium, platinum, palladium, iridium and iron on an oxide support, wherein the one or more active metals are present in an oxidic state; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel at a temperature in the range of from 350 to 600° C. and a pressure in the range of from 0.50 to 7.
    Type: Application
    Filed: June 29, 2015
    Publication date: May 11, 2017
    Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
  • Publication number: 20170121609
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapour phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.
    Type: Application
    Filed: June 29, 2015
    Publication date: May 4, 2017
    Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan RAO PANCHAGNULA, Alan Anthony DEL PAGGIO
  • Publication number: 20170114283
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from a solid biomass feedstock, said process comprising the steps of: a) providing in a first hydropyrolysis reactor vessel a first hydropyrolysis catalyst composition; b) contacting the solid biomass feedstock with said first hydropyrolysis catalyst composition and molecular hydrogen in said first hydropyrolysis reactor vessel to produce a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; c) removing said char and catalyst fines from said product stream; d) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), to produce a vapour phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases.
    Type: Application
    Filed: June 29, 2015
    Publication date: April 27, 2017
    Inventors: Vikrant Nanasaheb URADE, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Srikant GOPAL, Madhusudhan Rao PANCHAGNULA, Alan Anthony DEL PAGGIO
  • Publication number: 20170009143
    Abstract: The present invention provides a process for producing liquid hydrocarbon products from solid biomass and/or residual waste feedstocks, said process comprising the steps of: a) hydropyrolysing the solid feedstock in a hydropyrolysis reactor vessel in the presence of molecular hydrogen and one or more deoxygenation catalyst, producing a product stream comprising partially deoxygenated hydropyrolysis product, H2O, H2, CO2, CO, C1-C3 gases, char and catalyst fines; b) removing said char and catalyst fines from said product stream; c) hydroconverting said partially deoxygenated hydropyrolysis product in a hydroconversion reactor vessel in the presence of one or more hydroconversion catalyst and of the H2O, CO2, CO, H2, and C1-C3 gas generated in step a), producing a vapour phase product comprising substantially fully deoxygenated hydrocarbon product, H2O, CO, CO2, and C1-C3 gases; d) condensing the vapour phase product of step d) to provide a liquid phase product comprising substantially fully deoxygenated C4+ hy
    Type: Application
    Filed: January 28, 2015
    Publication date: January 12, 2017
    Inventors: Vikrant Nanasaheb Urade, Alan Anthony Del Paggio, Madhusudhan Rao Panchagnula, Laxmi Narasimhan Chilkoor Soundararajan, Srikant Gopal
  • Publication number: 20160199817
    Abstract: The present invention provides a catalyst for the decomposition of nitrous oxide, said catalyst comprising oxides of cobalt, zinc and aluminium and an alkali metal promoter.
    Type: Application
    Filed: July 29, 2014
    Publication date: July 14, 2016
    Applicant: Shell Oil Company
    Inventors: Srikant GOPAL, Andreas KLEMT, Ralf SCHRICKER, Madhusudhan Rao PANCHAGNULA
  • Publication number: 20150337215
    Abstract: A process for converting a biomass material comprising a) converting a biomass material in one or more steps into one or more C3-C12 oxygenates; b) contacting the one or more C3-C12 oxygenates with hydrogen at a hydrogen partial pressure of more than 1.0 MegaPascal in the presence of a sulphided carbon-carbon coupling catalyst; wherein the carbon-carbon coupling catalyst comprises equal to or more than 60 wt % of a zeolite and in the range from equal to or more than 0.1% wt to equal to or less than 10 wt % of a hydrogenation metal, based on the total weight of the carbon-carbon coupling catalyst.
    Type: Application
    Filed: December 19, 2013
    Publication date: November 26, 2015
    Inventors: Vikrant Nanasaheb URADE, Alan Anthony DEL PAGGIO, Laxmi Narasimhan CHILKOOR SOUNDARARAJAN, Madhusudhan Rao PANCHAGNULA