Patents by Inventor Pat A. Han

Pat A. Han 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).

  • CO-PRODUCTION OF METHANOL, AMMONIA AND UREA
    Publication number: 20210380427
    Abstract: A process and plant for the co-production of methanol and ammonia together with urea production from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units and water gas shift. Carbon dioxide is removed from flue gas from reforming section and used to convert partially or fully all ammonia into urea.
    Type: Application
    Filed: August 23, 2021
    Publication date: December 9, 2021
    Inventors: Pat A. Han, Mitra Heidarpanah
  • Co-production of methanol, ammonia and urea
    Patent number: 11130680
    Abstract: Process for the co-production of methanol and ammonia together with urea production from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units and water gas shift. Carbon dioxide removal from flue gas from reforming section to convert partially or fully all ammonia into urea. Synergi of having methanol, ammonia and urea production to produce coating material for the urea production.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: September 28, 2021
    Assignee: Haldor Topsoe A/S
    Inventors: Pat A. Han, Mitra Heidarpanah
  • Co-production of methanol and ammonia
    Patent number: 11130681
    Abstract: Process for the co-production of methanol and ammonia from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units and water gas shift.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: September 28, 2021
    Assignee: Haldor Topsoe A/S
    Inventors: Pat A. Han, Mitra Heidarpanah
  • Process for the co-production of methanol and ammonia in parallel
    Patent number: 11124424
    Abstract: A process for co-production of methanol and ammonia in parallel based on autothermal reforming with oxygen enriched air from electrolysis of water and separation of air and preparation of ammonia with hydrogen from the electrolysis of water and nitrogen from the separation of air.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: September 21, 2021
    Assignee: Haldor Topsoe A/S
    Inventor: Pat A. Han
  • Process for the co-production of methanol and ammonia
    Patent number: 11053130
    Abstract: A process for the combined preparation of methanol and ammonia based on primary steam reforming a hydrocarbon feed stock and adiabatic secondary reforming with oxygen enriched air from electrolysis of water.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: July 6, 2021
    Assignee: Haldor Topsoe A/S
    Inventor: Pat A. Han
  • METHOD FOR THE PREPARATION OF AMMONIA SYNTHESIS GAS
    Publication number: 20210198104
    Abstract: Method for the preparation of ammonia synthesis gas by a combination of ATR or secondary reforming process using oxygen from an air separation unit and electrolysis of water for the production of ammonia synthesis gas.
    Type: Application
    Filed: July 11, 2018
    Publication date: July 1, 2021
    Applicant: Haldor Topsøe A/S
    Inventors: Pat A. Han, Annette E. Krøll Jensen
  • Method for the preparation of synthesis gas
    Patent number: 10889496
    Abstract: Method for the preparation of synthesis gas by combining electrolysis of water, autothermal reforming and heat exchange reforming of a hydrocarbon feed stock.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: January 12, 2021
    Assignee: Haldor Topsoe A/S
    Inventors: Kim Aasberg-Petersen, Pat A. Han, Peter Mølgaard Mortensen
  • PROCESS FOR THE CO-PRODUCTION OF METHANOL AND AMMONIA IN PARALLEL
    Publication number: 20200207632
    Abstract: A process for co-production of methanol and ammonia in parallel based on autothermal reforming with oxygen enriched air from electrolysis of water and separation of air and preparation of ammonia with hydrogen from the electrolysis of water and nitrogen from the separation of air.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 2, 2020
    Applicant: Haldor Topsøe A/S
    Inventor: Pat A. Han
  • METHOD FOR IMPROVING EFFICIENCY OF AN AMMONIA SYNTHESIS GAS PLANT
    Publication number: 20200172406
    Abstract: Method for improving efficiency of an existing ammonia synthesis gas plant or a new ammonia synthesis gas plant by establishing a combination of secondary steam reforming using oxygen from electrolysis of water for the production of ammonia synthesis gas.
    Type: Application
    Filed: July 11, 2018
    Publication date: June 4, 2020
    Applicant: HaldorTopsøe A/S
    Inventors: Pat A. Han, Annette E. Krøll Jensen
  • METHOD FOR THE PREPARATION OF AMMONIA SYNTHESIS GAS
    Publication number: 20200172394
    Abstract: Method for the preparation of ammonia synthesis gas based on a combination of autothermal reforming and electrolysis of water.
    Type: Application
    Filed: July 11, 2018
    Publication date: June 4, 2020
    Applicant: Haldor Topsøe A/S
    Inventors: Pat A. Han, Annette E. Krøll Jensen
  • PROCESS FOR THE CO-PRODUCTION OF METHANOL AND AMMONIA
    Publication number: 20200156953
    Abstract: A process for the combined preparation of methanol and ammonia based on primary steam reforming a hydrocarbon feed stock and adiabatic secondary reforming with oxygen enriched air from electrolysis of water.
    Type: Application
    Filed: July 20, 2018
    Publication date: May 21, 2020
    Applicant: Haldor Topsøe A/S
    Inventor: Pat A. Han
  • METHOD FOR THE PREPARATION OF SYNTHESIS GAS
    Publication number: 20200140273
    Abstract: Method for the preparation of synthesis gas by combining electrolysis of water, autothermal reforming and heat exchange reforming of a hydrocarbon feed stock.
    Type: Application
    Filed: July 20, 2018
    Publication date: May 7, 2020
    Applicant: Haldor Topsøe A/S
    Inventors: Kim Aasberg-Petersen, Pat A. Han, Peter Mølgaard Mortensen
  • METHOD FOR THE PREPARATION OF SYNTHESIS GAS
    Publication number: 20200131034
    Abstract: Method for the preparation of synthesis gas based on a combination of the ATR process or partial oxidation of hydrocarbon fee stock using oxygen from the electrolysis of water and an air separation unit to produce the synthesis gas.
    Type: Application
    Filed: July 20, 2018
    Publication date: April 30, 2020
    Applicant: Haldor Topsøe A/S
    Inventors: Kim Aasberg-Petersen, Pat A. Han
  • METHOD FOR THE PREPARATION OF SYNTHESIS GAS
    Publication number: 20200109051
    Abstract: Method for the preparation of synthesis gas combining electrolysis of water, tubular steam reforming and autothermal reforming of a hydrocarbon feed stock.
    Type: Application
    Filed: July 20, 2018
    Publication date: April 9, 2020
    Applicant: Haldor Topsøe A/S
    Inventors: Kim Aasberg-Petersen, Pat A. Han, Michael Hultqvist, Peter Mølgaard Mortensen
  • CO-PRODUCTION OF METHANOL, AMMONIA AND UREA
    Publication number: 20200087153
    Abstract: Process for the co-production of methanol and ammonia together with urea production from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units and water gas shift. Carbon dioxide removal from flue gas from reforming section to convert partially or fully all ammonia into urea. Synergi of having methanol, ammonia and urea production to produce coating material for the urea production.
    Type: Application
    Filed: March 7, 2018
    Publication date: March 19, 2020
    Applicant: Haldor Topsøe A/S
    Inventors: Pat A. Han, Mitra Heidarpanah
  • CO-PRODUCTION OF METHANOL AND AMMONIA
    Publication number: 20200010333
    Abstract: Process for the co-production of methanol and ammonia from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units and water gas shift.
    Type: Application
    Filed: March 7, 2018
    Publication date: January 9, 2020
    Applicant: Haldor Topsøe A/S
    Inventors: Pat A. Han, Mitra Heidarpanah
  • Heat exchange reformer with double-tubes for reforming hydrocarbons
    Patent number: 9227844
    Abstract: The invention relates to a process and apparatus for the production of synthesis gas from a hydrocarbon feedstock in a heat exchanger reformer, wherein a cooling medium is added to the heat exchange reformer.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: January 5, 2016
    Assignee: Haldor Topsoe A/S
    Inventors: Pat A. Han, Niklas Bengt Jakobsson, Anders Helbo Hansen
  • Process for reforming hydrocarbons
    Patent number: 8696935
    Abstract: The invention relates to a process for the production of synthesis gas from a hydrocarbon feedstock, wherein the entire hydrocarbon feed is passed through a radiant furnace, heat exchanger reformer and autothermal reformer in a series arrangement, in which effluent gas from the autothermal reformer is used as heat source for the reforming reactions occurring in the heat exchange reformer and wherein a cooling medium is added to the heat exchange reformer.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: April 15, 2014
    Assignee: Haldor Topsoe A/S
    Inventors: Niklas Bengt Jakobsson, Anders Helbo Hansen, Pat A. Han
  • Co-production of methanol and ammonia
    Patent number: 8692034
    Abstract: Process for the co-production of methanol and ammonia from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units, water gas shift and acid gas wash for removal of carbon.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: April 8, 2014
    Assignee: Haldor Topsoe A/S
    Inventor: Pat A. Han
  • CO-PRODUCTION OF METHANOL AND AMMONIA
    Publication number: 20130095029
    Abstract: Process for the co-production of methanol and ammonia from a hydrocarbon feed without venting to the atmosphere carbon dioxide captured from the methanol or ammonia synthesis gas and without using expensive air separation units, water gas shift and acid gas wash for removal of carbon.
    Type: Application
    Filed: May 13, 2011
    Publication date: April 18, 2013
    Applicant: HALDOR TOPSOE A/S
    Inventor: Pat A. Han