Patents by Inventor Umit S. Ozkan

Umit S. Ozkan 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: 9136542
    Abstract: An electrode for reduction of an oxidant including a phosphorus-doped carbon-containing catalyst represented by the chemical formula CNxPy, where x is from 0 to about 10 wt. % and y is from about 1 ppm to about 10 wt. %. A device for producing electricity by facilitating an electrochemical reaction between a fuel and an oxidant. The device including a first electrode for oxidizing the fuel to produce protons and electrons. The device further includes a second electrode in electrical communication with the first electrode when electrically connected to the external circuit. The second electrode includes a phosphorus-doped carbon-containing catalyst for reducing the oxidant and is represented by the chemical formula CNxPy, where x is from 0 to about 10 wt. % and y is from about 1 ppm to about 10 wt. %. The device further includes an electrolyte, such as, a membrane, separating the first electrode from the second electrode.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: September 15, 2015
    Assignee: The Ohio State University
    Inventors: Umit S. Ozkan, Dieter von Deak, Elizabeth Biddinger
  • Publication number: 20120295137
    Abstract: An electrode for reduction of an oxidant including a phosphorus-doped carbon-containing catalyst represented by the chemical formula CNxPy, where x is from 0 to about 10 wt. % and y is from about 1 ppm to about 10 wt. %. A device for producing electricity by facilitating an electrochemical reaction between a fuel and an oxidant. The device including a first electrode for oxidizing the fuel to produce protons and electrons. The device further includes a second electrode in electrical communication with the first electrode when electrically connected to the external circuit. The second electrode includes a phosphorus-doped carbon-containing catalyst for reducing the oxidant and is represented by the chemical formula CNxPy, where x is from 0 to about 10 wt. % and y is from about 1 ppm to about 10 wt. %. The device further includes an electrolyte, such as, a membrane, separating the first electrode from the second electrode.
    Type: Application
    Filed: May 17, 2012
    Publication date: November 22, 2012
    Applicant: THE OHIO STATE UNIVERSITY
    Inventors: Umit S. Ozkan, Dieter von Deak, Elizabeth Biddinger
  • Patent number: 8226918
    Abstract: A method of carbon monoxide (CO) removal comprises providing an oxidation catalyst comprising cobalt supported on an inorganic oxide. The method further comprises feeding a gaseous stream comprising CO, and oxygen (O2) to the catalyst system, and removing CO from the gaseous stream by oxidizing the CO to carbon dioxide (CO2) in the presence of the oxidation catalyst at a temperature between about 20 to about 200° C.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: July 24, 2012
    Assignee: The Ohio State University
    Inventors: Umit S. Ozkan, Erik M. Holmgreen, Matthew M. Yung
  • Patent number: 7947251
    Abstract: Fe—Al—Cu catalysts have numerous industrial applications, for example, as catalysts in a water gas shift reactor. A method of producing a Fe—Al—Cu catalyst comprises the steps of providing an organic iron precursor, dissolving the organic iron precursor in a solvent solution, adding an aqueous solution comprising aluminum nitrate and copper nitrate to the organic iron pre-cursor-solvent solution, precipitating a gel comprising Fe—Al—Cu by adding a base, and drying the gel to form the Fe—Al—Cu catalyst.
    Type: Grant
    Filed: June 15, 2006
    Date of Patent: May 24, 2011
    Assignee: The Ohio State University Research Foundation
    Inventors: Umit S. Ozkan, Xueqin Wang, Lingzhi Zhang, Sittichai Natesakhawat
  • Patent number: 7488462
    Abstract: Catalyst systems and methods provide benefits in reducing the content of nitrogen oxides in a gaseous stream containing nitric oxide (NO), hydrocarbons, carbon monoxide (CO), and oxygen (O2). The catalyst system comprises an oxidation catalyst comprising a first metal supported on a first inorganic oxide for catalyzing the oxidation of NO to nitrogen dioxide (NO2), and a reduction catalyst comprising a second metal supported on a second inorganic oxide for catalyzing the reduction of NO2 to nitrogen (N2).
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: February 10, 2009
    Assignee: The Ohio State University
    Inventors: Umit S. Ozkan, Erik M. Holmgreen, Matthew M. Yung
  • Publication number: 20080233045
    Abstract: Fe—Al—Cu catalysts have numerous industrial applications, for example, as catalysts in a water gas shift reactor. A method of producing a Fe—Al—Cu catalyst comprises the steps of providing an organic iron precursor, dissolving the organic iron precursor in a solvent solution, adding an aqueous solution comprising aluminum nitrate and copper nitrate to the organic iron pre-cursor-solvent solution, precipitating a gel comprising Fe—Al—Cu by adding a base, and drying the gel to form the Fe—Al—Cu catalyst.
    Type: Application
    Filed: June 15, 2006
    Publication date: September 25, 2008
    Applicant: THE OHIO STATE UNIVERSITY
    Inventors: Umit S. Ozkan, Xueqin Wang, Lingzhi Zhang, Sittichai Natesakhawat
  • Patent number: 6709643
    Abstract: The present invention includes a supported catalyst for the reduction of nitrogen oxides (NOx) with a lower hydrocarbon. The supported catalyst comprising at least one active metal and at least one promoter metal attached to a support. The support may additionally include activated carbon. The promoter metals may be chosen from the lanthanide metals and the active metals may be chosen from palladium or platinum. The invention also includes a method of making the above mentioned catalysts and a method of using the catalysts to reduce nitrogen oxides (NOx) with a lower hydrocarbon.
    Type: Grant
    Filed: November 10, 2000
    Date of Patent: March 23, 2004
    Assignee: The Ohio State University
    Inventors: Umit S. Ozkan, Junko M. Watson
  • Patent number: 6521808
    Abstract: The present invention includes a sol-gel supported catalyst for the dehydrogenation of lower alkanes, the catalyst comprising at least one active metal and at least one promoter metal attached to a sol-gel mixed oxide support. The sol-gel mixed oxide support arises from the polymerization of at least one precursor. The active metal and the promoter metal have been attached to the sol-gel mixed oxide support by the active metal and the promoter metal having been co-precipitated with the precursor of the sol-gel mixed oxide support. The invention also includes a method of making the above mentioned catalyst and a method of using the catalyst to dehydrogenate lower alkanes to produce lower alkenes.
    Type: Grant
    Filed: February 17, 2000
    Date of Patent: February 18, 2003
    Assignee: The Ohio State University
    Inventors: Umit S. Ozkan, Rick B. Watson