Patents by Inventor Victoria J. North

Victoria J. North 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).

  • Green luminescent materials
    Patent number: 8273468
    Abstract: There is provided a green luminescent material having Formula I or Formula II R1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: September 25, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Norman Herron, Mark A. Guidry, Vsevolod Rostovtsev, Jeffrey A. Merlo, Kalindi Dogra, Victoria J. North
  • GREEN LUMINESCENT MATERIALS
    Publication number: 20110186836
    Abstract: There is provided a green luminescent material having Formula I or Formula II R1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.
    Type: Application
    Filed: April 13, 2011
    Publication date: August 4, 2011
    Applicant: E.I.DU PONT DE NEMOURS AND COMPANY
    Inventors: NORMAN HERRON, Mark A. Guidry, Vsevolod Rostovtsev, Jeffrey A. Merlo, Kalindi Dogra, Victoria J. North
  • GREEN LUMINESCENT MATERIALS
    Publication number: 20080303429
    Abstract: There is provided a green luminescent material having Formula I or Formula II R1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 11, 2008
    Inventors: NORMAN HERRON, Mark A. Guidry, Vsevolod Rostovtsev, Jeffrey A. Merlo, Kalindi Dogra, Victoria J. North
  • BLUE LUMINESCENT MATERIALS
    Publication number: 20080303430
    Abstract: There is provided a blue luminescent material having Formula I Ar1 and Ar2 are the same or different and each is an aryl group having at least two electron-withdrawing substituents. R1 and R2 are the same or different and can be alkyl, or aryl. R3, R4, R5 and R6 are the same or different and can be hydrogen, alkyl, or alkoxy. n is 0 or 1.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 11, 2008
    Inventors: NORMAN HERRON, Daniel David Lecloux, Mark A. Guidry, Victoria J. North, Kerwin D. Dobbs