Patents by Inventor Yuri A. Dubitsky

Yuri A. Dubitsky 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: 8178258
    Abstract: An electrochemical device including an anode, a cathode and an electrolyte membrane disposed between the anode and the cathode, wherein the electrolyte membrane has a material of formula La1?xSrxGa1?yMGyO3?0.5(x+y), wherein x and y are independently a value of 0.1 to 0.3, said material having a relative density of at least 90% and including LaSrGaO4 in a percentage of 0.05 vol % to 10 vol %. A method for producing energy and a method for separating oxygen from a gas mixture are also disclosed.
    Type: Grant
    Filed: May 31, 2004
    Date of Patent: May 15, 2012
    Assignee: Pirelli & C. S.p.A.
    Inventors: Agustin Sin Xicola, Elena Roda, Yuri A. Dubitsky, Antonio Zaopo, Enrico Albizzati, Evgeny Kopnin
  • Patent number: 7851644
    Abstract: A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using the catalytic system are disclosed; the heterocyclic metallocenes correspond to the formula (I): YjR?iZjjMeQkPl wherein Y is a coordinating group containing a six ? electron central radical directly coordinating Me, to which are associated one or more radicals containing at least one non-carbon atom selected from B, N, O, Al, Si, P, S, Ga, Ge, As, Se, In, Sn, Sb and Te; R? is a divalent bridge between the Y and Z groups; Z is a coordinating group, optionally being equal to Y; Me is a transition metal; Q is halogen or hydrocarbon substituents; P is a counterion; i is 0 or 1; j is 1-3; jj is 0-2; k is 1-3; and l is 0-2.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: December 14, 2010
    Assignee: Basell Polyolefine GmbH
    Inventors: John A. Ewen, Michael J. Elder, Robert L. Jones, Jr., Yuri A. Dubitsky
  • Patent number: 7780936
    Abstract: Process for manufacturing an electrochemical device including a cathode, an anode and at least one electrolyte membrane disposed between the anode and the cathode, wherein at least one of the cathode, the anode and the electrolyte membrane, contains at least a ceramic material.
    Type: Grant
    Filed: March 30, 2004
    Date of Patent: August 24, 2010
    Assignee: Pirelli & C. S.p.A.
    Inventors: Agustin Sin Xicola, A. Yuri Dubitsky, Enrico Albizzati, Evgeny Kopnin, Elena Roda
  • Patent number: 7722975
    Abstract: A fuel cell having a membrane-electrode assembly including an anode, a cathode, and a polymer electrolyte membrane interposed between the anode and the cathode, wherein the polymer electrolyte membrane is a sulfonated polysulfone polymer.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: May 25, 2010
    Assignee: Pirelli & C. S.p.A.
    Inventors: Antonio Zaopo, Ana Berta Lopes Correira Tavares, Yuri A. Dubitsky
  • Publication number: 20100028733
    Abstract: An electrochemical device including an anode, a cathode and an electrolyte membrane disposed between the anode and the cathode, wherein the electrolyte membrane has a material of formula La1?xSrxGa1?yMGyO3?0.5(x+y), wherein x and y are independently a value of 0.1 to 0.3, said material having a relative density of at least 90% and including LaSrGaO4 in a percentage of 0.05 vol % to 10 vol %. A method for producing energy and a method for separating oxygen from a gas mixture are also disclosed.
    Type: Application
    Filed: May 31, 2004
    Publication date: February 4, 2010
    Inventors: Agustin Sin Xicola, Elena Roda, Yuri A. Dubitsky, Antonio Zaopo, Enrico Albizzati, Evgeny Kopnin
  • Publication number: 20090220829
    Abstract: Solid oxide fuel cell including an anode which has a cermet activated by a catalyst for hydrocarbon oxidation, process for the preparation thereof, and method for the production of energy exploiting it.
    Type: Application
    Filed: December 24, 2003
    Publication date: September 3, 2009
    Inventors: Anna Berta Lopes Correia Tavares, Boris L. Kuzin, Nina M. Bogdanovich, Sergey M. Beresnev, Edhem Kh. Kurumchin, Antonio Zaopo, Yuri A. Dubitsky
  • Publication number: 20080280166
    Abstract: Solid oxide fuel cell wherein the anode has a cermet, including a metallic portion and an electrolyte ceramic material portion substantially uniformly interdispersed.
    Type: Application
    Filed: December 30, 2003
    Publication date: November 13, 2008
    Applicant: PERELLI & C.S.P.A.
    Inventors: Boris L. Kuzin, Sergey M. Beresnev, Nina M. Bogdanovich, Edhem Kh. Kurumchine, Ana Berta Lopes Correia Tavares, Antonio Zaopo, Yuri A. Dubitsky
  • Publication number: 20080233030
    Abstract: Process for manufacturing an electrochemical device including a cathode, an anode and at least one electrolyte membrane disposed between the anode and the cathode, wherein at least one of the cathode, the anode and the electrolyte membrane, contains at least a ceramic material.
    Type: Application
    Filed: March 30, 2004
    Publication date: September 25, 2008
    Applicant: PIRELLI & C.S.P.A.
    Inventors: Agustin Sin Xicola, A. Yuri Dubitsky, Enrico Albizzati, Evgeny Kopnin, Elena Roda
  • Publication number: 20080145732
    Abstract: A proton exchange membrane fuel cell includes at least one membrane-electrode assembly including an electrolyte membrane based on a fluorine free polymer grafted with side chains containing proton conductive functional groups, and interposed between an anode and a cathode, the anode including a catalytic layer including a catalyst and a fluorinated ionomer. The catalytic layer has a fluorine/catalyst ratio that increases in a direction from the electrolyte membrane to an outer surface of the anode.
    Type: Application
    Filed: December 17, 2004
    Publication date: June 19, 2008
    Inventors: Ana Berta Lopes Correia Tavares, Vincenzo Antonucci, Antonio Zaopo, Enza Passalacqua, Alessandra Di Blasi, Yuri A. Dubitsky, Enrico Albizzati
  • Publication number: 20070275292
    Abstract: A solid oxide fuel cell has a cathode, at least an electrolyte membrane, and an anode having a ceramic containing at least one of cobalt and iron, the ceramic being mixed with doped ceria.
    Type: Application
    Filed: September 30, 2003
    Publication date: November 29, 2007
    Inventors: Agustin Sin Xicola, Yuri Dubitsky, Enrico Albizzati, Antonino Arico, Laura Gullo, Daniela La Rosa, Vincenzo Antonucci
  • Patent number: 7274854
    Abstract: An optical waveguide has a core layer made by a film containing a cross-linked polyamide based on a repeating unit of general formula (I) and a method for the production thereof.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: September 25, 2007
    Assignee: Pirelli & C. S.p.A.
    Inventors: Antonio Zaopo, Yuri A. Dubitsky, Marco Colombo
  • Patent number: 7241951
    Abstract: A method for shielding the magnetic field generated by an electrical power transmission line having at least one electrical cable. A magnetic shield is provided in a position radially external to at least one electrical cable. The magnetic shield has at least one pair of shielding layers made from different ferromagnetic materials, radially superimposed and having their maximum relative magnetic permeability increasing in a radial direction from the inside toward the outside of the magnetic shield. An electrical power transmission line provided with multiple-layer magnetic shield and a multiple-layer magnetic shield.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: July 10, 2007
    Assignee: Pirelli & C. S.p.A.
    Inventors: Fabrizio Donazzi, Paolo Maioli, Yuri A. Dubitsky, Vladimir I. Petinov, Robert S. Kasimov
  • Patent number: 7238818
    Abstract: A new class of heterocyclic metallocenes, a catalytic system containing them and a process for polymerizing addition polymerizable monomers using said catalytic system are disclosed; the heterocyclic metallocenes correspond to the formula (I): YjR?iZjjMeQkPl wherein Y is a coordinating group containing a six ? electron central radical directly coordinating Me, to which are associated one or more radicals containing at least one non-carbon atom selected from B, N, O, Al, Si, P, S, Ga, Ge, As, Se, In, Sn, Sb and Te; R? is a divalent bridge between the Y and Z groups; Z is a coordinating group, optionally being equal to Y; Me is a transition metal; Q is halogen or hydrocarbon substituents; P is a counterion; i is 0 or 1; j is 1–3; jj is 0–2; k is 1–3; and l is 0–2.
    Type: Grant
    Filed: March 24, 2003
    Date of Patent: July 3, 2007
    Assignee: Basell Polyolefine GmbH
    Inventors: John A. Ewen, Michael J. Elder, Robert L. Jones, Jr., Yuri A. Dubitsky
  • Publication number: 20070122102
    Abstract: An optical waveguide has a core layer made by a film containing a cross-linked polyamide based on a repeating unit of general formula (I) and a method for the production thereof.
    Type: Application
    Filed: June 27, 2002
    Publication date: May 31, 2007
    Inventors: Antonio Zaopo, Yuri Dubitsky, Marco Colombo
  • Patent number: 7217377
    Abstract: An optical waveguide based on a photochromic diarylethene polymer dispersed in a polymeric matrix, and a method for preparing such waveguide is disclosed.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: May 15, 2007
    Assignee: Pirelli & C. S.p.A.
    Inventors: Marco Colombo, Antonio Zaopo, Yuri A. Dubitsky, Giuseppe Zerbi, Chiara Bertarelli, Maria Carla Gallazzi
  • Publication number: 20060228607
    Abstract: A fuel cell having a membrane-electrode assembly including an anode, a cathode, and a polymer electrolyte membrane interposed between the anode and the cathode, wherein the polymer electrolyte membrane is a sulfonated polysulfone polymer.
    Type: Application
    Filed: December 13, 2002
    Publication date: October 12, 2006
    Inventors: Antonio Zaopo, Ana Lopes Correira Tavares, Yuri Dubitsky
  • Publication number: 20060165368
    Abstract: An optical waveguide based on a photochromic diarylethene polymer dispersed in a polymeric matrix, and a method for preparing such waveguide is disclosed.
    Type: Application
    Filed: December 23, 2002
    Publication date: July 27, 2006
    Inventors: Marco Colombo, Antonio Zaopo, Yuri Dubitsky, Giuseppe Zerbi, Chiara Bertarelli, Maria Gallazzi
  • Publication number: 20060166046
    Abstract: Fuel cell having: (a) an anode; (b) a cathode; (c) a polymer electrolyte membrane placed between the anode and the cathode which has at least one polyolefin grafted with a side chain containing proton conductive functional groups; wherein said fuel cell has a value of cell resistance at 90° C. not higher than 0.30 ?cm2, preferably having between 0.2 ?cm2 and 0.25 ?cm2, more preferably between 0.05 ?cm2 and 0.20 ?cm2; a value of cell resistance at 20° C. differing from the value of cell resistance at 90° C. of an amount not higher than 90%, preferably not higher than 70%, more preferably not higher than 50%, with respect to the value of cell resistance at 90° C. Preferably, said fuel cell is a direct methanol fuel cell (DMFC).
    Type: Application
    Filed: June 23, 2003
    Publication date: July 27, 2006
    Inventors: Yuri Dubitsky, Ana Lopes Correia Tavares, Antonio Zaopo, Enrico Albizzati
  • Patent number: 6872794
    Abstract: The invention relates to new polymers useful in non linear optical (NLO) applications, particularly as optical waveguide materials.
    Type: Grant
    Filed: October 11, 2002
    Date of Patent: March 29, 2005
    Assignee: Pirelli Cavi e Sistemi S.p.A.
    Inventors: Andrea Zappettini, Silvia Maria Pietralunga, Yuri Dubitsky, Antonio Zaopo, Mario Martinelli
  • Publication number: 20030213941
    Abstract: The invention relates to an optical waveguide comprising at least a non linear optical (NLO) polymer.
    Type: Application
    Filed: February 25, 2003
    Publication date: November 20, 2003
    Inventors: Antonio Zaopo, Yuri A. Dubitsky, Andrea Zappettini, Franco D'Amore, Silvia Maria Destri, William Umberto Porzio, Mariacecilia Pasini