Patents by Inventor Paul Anthony Liddell

Paul Anthony Liddell 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: 9076972
    Abstract: Porphyrin polymers of Structure 1, where n is an integer (e.g., 1, 2, 3, 4, 5, or greater) are synthesized by the method shown in FIGS. 2A and 2B. The porphyrin polymers of Structure 1 are soluble in organic solvents such as 2-MeTHF and the like, and can be synthesized in bulk (i.e., in processes other than electropolymerization). These porphyrin polymers have long excited state lifetimes, making the material suitable as an organic semiconductor for organic electronic devices including transistors and memories, as well as solar cells, sensors, light-emitting devices, and other opto-electronic devices.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: July 7, 2015
    Assignee: ARIZONA BOARD OF REGENTS, A BODY CORPORATE OF THE STATE OF ARIZONA ACTING FOR AND ON BEHALF OF ARIZONA STATE UNIVERSITY
    Inventors: John Devens Gust, Jr., Paul Anthony Liddell
  • Patent number: 8669359
    Abstract: Compounds with aryl ring(s) at porphyrin meso position(s) bearing an amino group in position 4 relative to the porphyrin macrocycle, and at least one unsubstituted 5 (hydrogen-bearing) meso position with the 10-, 15-, and/or 20-relationship to the aryl ring bearing the amino group, and metal complexes thereof, feature broad spectral absorption throughout the visible region. These compounds are electropolymerized to form electrically conducting porphyrin and porphyrin-fullerene polymers that are useful in photovoltaic applications. The structure of one such electrically conducting porphyrin polymer is shown below.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: March 11, 2014
    Assignee: Arizona Board of Regents for and on behalf of Arizona State University
    Inventors: John Devens Gust, Jr., Paul Anthony Liddell, Miguel Andres Gervaldo, James Ward Bridgewater, Bradley James Brennan, Thomas Andrew Moore, Ana Lorenzelli Moore
  • Publication number: 20130324686
    Abstract: Porphyrin polymers of Structure 1, where n is an integer (e.g., 1, 2, 3, 4, 5, or greater) are synthesized by the method shown in FIGS. 2A and 2B. The porphyrin polymers of Structure 1 are soluble in organic solvents such as 2-MeTHF and the like, and can be synthesized in bulk (i.e., in processes other than electropolymerization). These porphyrin polymers have long excited state lifetimes, making the material suitable as an organic semiconductor for organic electronic devices including transistors and memories, as well as solar cells, sensors, light-emitting devices, and other opto-electronic devices.
    Type: Application
    Filed: May 31, 2013
    Publication date: December 5, 2013
    Inventors: John Devens Gust, JR., Paul Anthony Liddell
  • Publication number: 20100065123
    Abstract: Compounds with aryl ring(s) at porphyrin meso position(s) bearing an amino group in position 4 relative to the porphyrin macrocycle, and at least one unsubstituted (hydrogen-bearing) meso position with the 10-, 15-, and/or 20-relationship to the aryl ring bearing the amino group, and metal complexes thereof, feature broad spectral absorption throughout the visible region. These compounds are electropolymerized to form electrically conducting porphyrin and porphyrin-fullerene polymers that are useful in photovoltaic applications.
    Type: Application
    Filed: September 1, 2009
    Publication date: March 18, 2010
    Inventors: John Devens Gust, JR., Paul Anthony Liddell, Miguel Andres Gervaldo, James Ward Bridgewater, Bradley James Brennan, Thomas Andrew Moore, Ana Lorenzelli Moore