Patents by Inventor Nora Sabrina Radu

Nora Sabrina Radu 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).

  • Organometallic complexes
    Patent number: 8362463
    Abstract: Organometallic complexes are provided having at least one charge transporting ligand, and methods for making the same, as well as devices and sub-assemblies including the same.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: January 29, 2013
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Nora Sabrina Radu, Norman Herron, Jeffrey Merlo, Ying Wang, Mark A. Guidry
  • CHARGE TRANSPORT MATERIALS
    Publication number: 20110118429
    Abstract: Charge transport materials are provided, and methods for making the same.
    Type: Application
    Filed: December 23, 2005
    Publication date: May 19, 2011
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Nora Sabrina Radu, Norman A. Herron, Gary Johansson
  • Arylamine compounds and their use in electronic devices
    Patent number: 7723546
    Abstract: Provided are arylamine compounds having Formula I, II, III, or IV: wherein Ar is the same or different at each occurrence and is aryl having from 6 to 30 carbon atoms or heteroaryl having from 2 to 30 carbon atoms. Also provided are compositions comprising arylamine compounds. The invention also relates to use of such compounds in electronic devices, for example, organic electronic devices.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: May 25, 2010
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Norman Herron, Nora Sabrina Radu
  • ORGANOMETALLIC COMPLEXES
    Publication number: 20090206327
    Abstract: Organometallic complexes are provided having at least one charge transporting ligand, and methods for making the same, as well as devices and sub-assemblies including the same.
    Type: Application
    Filed: December 28, 2005
    Publication date: August 20, 2009
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Nora Sabrina Radu, Norman Herron, Jeffrey Merlo, Ying Wang, Mark A. Guidry
  • Electrically Conductive Polymers
    Publication number: 20080121846
    Abstract: Methods and compositions are described for electrically conductive polymer compositions having a pH greater than 1.8 and a hole transporting material.
    Type: Application
    Filed: December 29, 2005
    Publication date: May 29, 2008
    Applicant: E.I. du Pont de Nemours and Company
    Inventors: Che-Hsiung Hsu, Sunghan Kim, Nora Sabrina Radu, William J. Gambogi