Patents by Inventor Donald H. Powers

Donald H. Powers 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).

  • METHOD FOR PRODUCING ETHYLENE FROM CARBON DIOXIDE
    Publication number: 20230167466
    Abstract: A process comprising (i) providing a gaseous stream including greater than 1% by volume carbon dioxide; (ii) providing water; (iii) converting the carbon dioxide and the water to an organic intermediate and oxygen gas in the presence of light; (iv) separating the oxygen gas from the organic intermediate; and (v) converting the organic intermediate to ethylene and carbon dioxide after said step of separating the oxygen gas from the organic intermediate.
    Type: Application
    Filed: March 19, 2021
    Publication date: June 1, 2023
    Inventors: Donald H. POWERS, Tahereh KARIMI, Robert L ZELLER, III, John PACE, Michael A. GARMON, Truong Huu NGUYEN
  • Processing of acid containing hydrocarbons
    Patent number: 8721872
    Abstract: A method for thermally cracking an organic acid containing hydrocarbonaceous feed wherein the feed is first processed in a vaporization step, followed by thermal cracking.
    Type: Grant
    Filed: March 31, 2009
    Date of Patent: May 13, 2014
    Assignee: Equistar Chemicals, LP
    Inventors: Donald H. Powers, Robert S. Bridges, Kenneth M. Webber
  • Olefin production utilizing a feed containing condensate and crude oil
    Patent number: 7858834
    Abstract: A method for utilizing a feed comprising condensate and crude oil for an olefin production plant is disclosed. The feed is subjected to vaporization and separated into vaporous hydrocarbons and liquid hydrocarbons. The vaporous hydrocarbons stream is thermally cracked in the plant. The liquid hydrocarbons are recovered.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: December 28, 2010
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Processing of acid containing hydrocarbons
    Publication number: 20100243524
    Abstract: A method for thermally cracking an organic acid containing hydrocarbonaceous feed wherein the feed is first processed in a vaporization step operated under conditions designed to vaporize and transmit a significant amount of the acid species in the feed to a thermal cracking furnace.
    Type: Application
    Filed: March 31, 2009
    Publication date: September 30, 2010
    Inventor: Donald H. Powers
  • Processing of acid containing hydrocarbons
    Publication number: 20100243523
    Abstract: A method for thermally cracking an organic acid containing hydrocarbonaceous feed wherein the feed is first processed in a vaporization step operated under conditions designed to disassociate acid species in the feed prior to passing the feed to a thermal cracking furnace.
    Type: Application
    Filed: March 31, 2009
    Publication date: September 30, 2010
    Inventor: Donald H. Powers
  • Processing of acid containing hydrocarbons
    Publication number: 20100243525
    Abstract: A method for thermally cracking an organic acid containing hydrocarbonaceous feed wherein the feed is first processed in a vaporization step, followed by thermal cracking.
    Type: Application
    Filed: March 31, 2009
    Publication date: September 30, 2010
    Inventors: Donald H. Powers, Robert S. Bridges, Kenneth M. Webber
  • Method for processing natural gasoline
    Patent number: 7572366
    Abstract: A method for rendering a high Reid Vapor Pressure natural gasoline feed suitable for addition to the gasoline pool by using steam stripping conditions that provide an overhead fraction that is suitable for thermal cracking, and a bottoms product that has a substantially reduced Reid Vapor Pressure as compared to the natural gasoline feed.
    Type: Grant
    Filed: August 21, 2006
    Date of Patent: August 11, 2009
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Olefin production utilizing whole crude oil/condensate feedstock with enhanced distillate production
    Patent number: 7550642
    Abstract: A method processing a liquid crude and/or natural gas condensate feed comprising subjecting the feed to a vaporization step to form a vaporous product and a liquid product, subjecting the vaporous product to severe thermal cracking, and subjecting the liquid product to crude oil refinery processing.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: June 23, 2009
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Olefin production utilizing a feed containing condensate and crude oil
    Publication number: 20090048475
    Abstract: A method for utilizing a feed comprising condensate and crude oil for an olefin production plant is disclosed. The feed is subjected to vaporization and separated into vaporous hydrocarbons and liquid hydrocarbons. The vaporous hydrocarbons stream is thermally cracked in the plant. The liquid hydrocarbons are recovered.
    Type: Application
    Filed: August 17, 2007
    Publication date: February 19, 2009
    Inventor: Donald H. Powers
  • Hydrocarbon thermal cracking using atmospheric residuum
    Publication number: 20080283445
    Abstract: A method for thermally cracking a hydrocarbonaceous feed wherein the feed is first gasified in a vaporization unit. A significant component of the feed is residua from the atmospheric thermal distillation of crude oil.
    Type: Application
    Filed: May 16, 2007
    Publication date: November 20, 2008
    Inventor: Donald H. Powers
  • Hydrocarbon thermal cracking using atmospheric distillation
    Patent number: 7404889
    Abstract: A method for thermally cracking a hydrocarbonaceous feed wherein the feed is first processed in an atmospheric thermal distillation step to form a light gasoline and atmospheric residuum mixture. The light gasoline/residuum combination is gasified at least in part in a vaporization step, and the gasified product of the vaporization step is thermally cracked.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: July 29, 2008
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Olefin production utilizing condensate feedstock
    Patent number: 7396449
    Abstract: A method for utilizing natural gas condensate as a feedstock for an olefin production plant wherein the feedstock is subjected to vaporization and separation conditions that remove light hydrocarbons from the condensate for thermal cracking in the plant, and leave liquid distillate for separate recovery.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: July 8, 2008
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Olefin production utilizing whole crude oil feedstock
    Patent number: 7374664
    Abstract: A method for utilizing whole crude oil as a feedstock for the pyrolysis furnace of an olefin production plant wherein the feedstock is subjected to vaporization conditions until substantially vaporized with minimal mild cracking but leaving some remaining liquid from the feedstock, the vapors thus formed being subjected to severe cracking in the radiant section of the furnace, and the remaining liquid from the feedstock being mixed with at least one quenching oil.
    Type: Grant
    Filed: September 2, 2005
    Date of Patent: May 20, 2008
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Olefin production utilizing whole crude oil/condensate feedstock with enhanced distillate production
    Publication number: 20080093261
    Abstract: A method processing a liquid crude and/or natural gas condensate feed comprising subjecting the feed to a vaporization step to form a vaporous product and a liquid product, subjecting the vaporous product to severe thermal cracking, and subjecting the liquid product to crude oil refinery processing.
    Type: Application
    Filed: October 20, 2006
    Publication date: April 24, 2008
    Inventor: Donald H. Powers
  • Method for processing natural gasoline
    Publication number: 20080041767
    Abstract: A method for rendering a high Reid Vapor Pressure natural gasoline feed suitable for addition to the gasoline pool by using steam stripping conditions that provide an overhead fraction that is suitable for thermal cracking, and a bottoms product that has a substantially reduced Reid Vapor Pressure as compared to the natural gasoline feed.
    Type: Application
    Filed: August 21, 2006
    Publication date: February 21, 2008
    Inventor: Donald H. Powers
  • Propylene production
    Patent number: 7074976
    Abstract: A method for making propylene from alpha olefins, internal linear olefins and isoolefins wherein the alpha olefins are subjected to a combination of hydrogenation and double bond isomerization to form additional internal linear olefins, the internal linear olefins are disproportionated with ethylene to form a propylene product, while the isoolefins are subjected to skeletal isomerization to form yet additional internal linear olefins to be converted into yet additional propylene.
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: July 11, 2006
    Assignee: Equistar Chemicals, LP
    Inventors: Donald H. Powers, Robert S. Bridges, Steven T. Coleman
  • Thermal cracking of Diels-Alder adducts
    Patent number: 7041862
    Abstract: A method for thermally cracking Diels-Alder adducts and for altering organic streams containing Diels-Alder adducts using controlled cavitation conditions.
    Type: Grant
    Filed: March 26, 2003
    Date of Patent: May 9, 2006
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Olefin production utilizing whole crude oil and mild catalytic cracking
    Patent number: 7019187
    Abstract: A method for utilizing whole crude oil as a feedstock for the pyrolysis furnace of an olefin production plant wherein the feedstock after preheating is subjected to mild catalytic cracking conditions until substantially vaporized, the vapors from the mild catalytic cracking being subjected to severe cracking in the radiant section of the furnace.
    Type: Grant
    Filed: September 16, 2002
    Date of Patent: March 28, 2006
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Olefin production utilizing whole crude oil and mild controlled cavitation assisted cracking
    Patent number: 6979757
    Abstract: A method for utilizing whole crude oil as a feedstock for the pyrolysis furnace of an olefin production plant wherein the feedstock after preheating is subjected to mild thermal cracking assisted with controlled cavitation conditions until substantially vaporized, the vapors being subjected to severe cracking in the radiant section of the furnace.
    Type: Grant
    Filed: July 10, 2003
    Date of Patent: December 27, 2005
    Assignee: Equistar Chemicals, LP
    Inventor: Donald H. Powers
  • Enhanced production of light olefins
    Patent number: 6888038
    Abstract: A method for reducing the formation of undesired heavy hydrocarbons when catalytically cracking a heavy olefin containing feed stock to a light olefin product by employing an oxygen containing hydrocarbon as a co-feed stock.
    Type: Grant
    Filed: March 18, 2002
    Date of Patent: May 3, 2005
    Assignee: Equistar Chemicals, LP
    Inventors: Donald H. Powers, Kenneth M. Webber