Patents by Inventor Vsevolod Rostovtsev

Vsevolod Rostovtsev 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).

  • Publication number: 20090137831
    Abstract: The invention provides novel aryl and aliphatic esters of fluorinated alkanesulfonic acids. The invention also provides novel fluorinated alkanesulfonamides and a process to make the same. The invention also provides a process for the arylation of an amine by contacting the amine with an aryl ester of a fluorinated alkanesulfonic acid.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 28, 2009
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventor: Vsevolod Rostovtsev
  • Publication number: 20090137840
    Abstract: The invention provides a process for the preparation of fluorinated alkanesulfonic acid anhydrides by contacting alkanesulfonic acids with phosphorus pentoxide, the phosphorus pentoxide being provided as a dispersion in an inert oil. The invention also provides novel fluorinated alkanesulfonic acid anhydrides including 2-hydrotetrafluoroethanesulfonic acid anhydride.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 28, 2009
    Applicant: E. I. Du Pont de Nemours and Company
    Inventors: Christopher P. Junk, Vsevolod Rostovtsev, Allen Capron Sievert, Lee G. Sprague
  • Publication number: 20080308407
    Abstract: Described herein is a method for the photo-induced reduction/oxidation of carbon nanotubes, and their use in photochemical cells and in electrochemical cells for the generation of hydrogen.
    Type: Application
    Filed: June 18, 2007
    Publication date: December 18, 2008
    Inventors: VSEVOLOD ROSTOVTSEV, Ming Zheng
  • Publication number: 20080306303
    Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 11, 2008
    Inventors: VSEVOLOD ROSTOVTSEV, Reid John Chesterfield, Norman Herron, Kerwin D. Dobbs, Jeffrey A. Merlo
  • Publication number: 20080303428
    Abstract: This invention relates to chrysene compounds having green emission, that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 30, 2008
    Publication date: December 11, 2008
    Inventors: VSEVOLOD ROSTOVTSEV, Jeffrey A. Merlo, Norman Herron, Kerwin D. Dobbs
  • Publication number: 20080303425
    Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications and are capable of blue emission. It also relates to electronic devices in which the active layer includes such a chrysene compound.
    Type: Application
    Filed: May 16, 2008
    Publication date: December 11, 2008
    Inventors: VSEVOLOD ROSTOVTSEV, Hong Meng, Lois Bryman, Jeffrey A. Merlo, Norman Herron, Reid John Chesterfield
  • 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
  • Publication number: 20080166595
    Abstract: This invention relates to electroluminescent 4,9-di-substituted pyrenes that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a pyrene composition.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 10, 2008
    Inventor: Vsevolod Rostovtsev
  • Publication number: 20080166564
    Abstract: There is provided a derivatized conductive monomer and polymer made therefrom. The derivatized monomer has a fluorinated acid substituent. There are also provided electronic devices having a buffer layer containing the polymer.
    Type: Application
    Filed: December 19, 2007
    Publication date: July 10, 2008
    Inventors: Vsevolod Rostovtsev, Che-Hsiung Hsu, Charles J. DuBois
  • Publication number: 20070278111
    Abstract: This invention relates to the field of nanotechnology. Specifically the invention describes a nanosensor for the detection of an analyte in which the redox potential in solution is altered thereby causing changes in carbon nanotube conductance.
    Type: Application
    Filed: September 30, 2005
    Publication date: December 6, 2007
    Inventors: Salah Boussaad, Bruce Diner, Janine Fan, Vsevolod Rostovtsev, Ajit Krishnan
  • Publication number: 20070238142
    Abstract: Nanosensors for detecting target analytes and methods of detecting analytes have been developed in which a small molecule effector concentration is altered thereby causing changes in carbon nanotube conductance. The nanosensor operates in a homogeneous format, not requiring the immobilization of the target analyte for detection.
    Type: Application
    Filed: September 30, 2005
    Publication date: October 11, 2007
    Inventors: Salah Boussaad, Bruce Diner, Janine Fan, Vsevolod Rostovtsev
  • Publication number: 20070227906
    Abstract: Nanosensors for detecting analytes and methods of detecting analytes have been developed in which the redox potential of a redox effector in solution is altered thereby causing changes in carbon nanotube conductance. The analyte may be detected in solution, eliminating the need for immobilizing the analyte on a support.
    Type: Application
    Filed: September 30, 2005
    Publication date: October 4, 2007
    Inventors: Salah Boussaad, Bruce Diner, Janine Fan, Vsevolod Rostovtsev, Ajit Krishnan
  • Publication number: 20060194263
    Abstract: Nanosensors for detecting ananlytes and methods of detecting analytes have been developed in which a small molecule effector concentration is altered thereby causing changes in carbon nanotube conductance.
    Type: Application
    Filed: September 30, 2005
    Publication date: August 31, 2006
    Inventors: Salah Boussaad, Bruce Diner, Janine Fan, Vsevolod Rostovtsev