Patents by Inventor Konstantinos Chondroudis

Konstantinos Chondroudis 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: 20070010396
    Abstract: The present invention is directed to a composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum and copper, wherein the concentration of platinum is greater than 50 atomic percent and less than about 80 atomic percent, and further wherein the composition has a particle size which is less than 35 angstroms. The present invention is further directed to various methods for preparing such a composition.
    Type: Application
    Filed: August 18, 2004
    Publication date: January 11, 2007
    Applicants: Honda Giken Kogyo Kabushiki Kaisha, Symyx Technologies, Inc.
    Inventors: Daniel Giaquinta, Peter Strasser, Alexander Gorer, Martin Devenney, Hiroyuki Oyanagi, Kenta Urata, Hiroichi Fukuda, Keith Cendak, Konstantinos Chondroudis
  • Publication number: 20060251952
    Abstract: A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof is at least 35 atomic percent.
    Type: Application
    Filed: June 3, 2004
    Publication date: November 9, 2006
    Inventors: Konstantinos Chondroudis, Alexander Gorer, Martin Devenney, Ting He, Hiroyuki Oyanagi, Daniel Gianquinta, Kenta Urata, Hiroichi Fukuda, Qun Fan, Peter Strasser, Keith Cendak
  • Publication number: 20060249713
    Abstract: Low dielectric materials and films comprising same have been identified for improved performance when used as performance materials, for example, in interlevel dielectrics integrated circuits as well as methods for making same. In one aspect of the present invention, the performance of the dielectric material may be improved by controlling the weight percentage of ethylene oxide groups in the at least one porogen.
    Type: Application
    Filed: July 11, 2006
    Publication date: November 9, 2006
    Inventors: Brian Peterson, John Kirner, Scott Weigel, James MacDougall, Thomas Deis, Lisa Deis, Thomas Braymer, Keith Campbell, Martin Devenney, C. Ramberg, Konstantinos Chondroudis, Keith Cendak
  • Publication number: 20060249818
    Abstract: Low dielectric materials and films comprising same have been identified for improved performance when used as performance materials, for example, in interlevel dielectrics integrated circuits as well as methods for making same. In one aspect of the present invention, the performance of the dielectric material may be improved by controlling the weight percentage of ethylene oxide groups in the at least one porogen.
    Type: Application
    Filed: July 11, 2006
    Publication date: November 9, 2006
    Inventors: Brian Peterson, John Kirner, Scott Weigel, James MacDougall, Lisa Deis, Thomas Braymer, Keith Campbell, Martin Devenney, C. Ramberg, Konstantinos Chondroudis, Keith Cendak
  • Patent number: 7122880
    Abstract: Low dielectric materials and films comprising same have been identified for improved performance when used as performance materials, for example, in interlevel dielectrics integrated circuits as well as methods for making same. In one aspect of the present invention, the performance of the dielectric material may be improved by controlling the weight percentage of ethylene oxide groups in the at least one porogen.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: October 17, 2006
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Brian Keith Peterson, John Francis Kirner, Scott Jeffrey Weigel, James Edward MacDougall, Lisa Deis, Thomas Albert Braymer, Keith Douglas Campbell, Martin Devenney, C. Eric Ramberg, Konstantinos Chondroudis, Keith Cendak
  • Patent number: 7101639
    Abstract: An improved metal alloy fuel cell electrocatalyst composition containing platinum, rhodium, molybdenum, and nickel iron or a combination thereof.
    Type: Grant
    Filed: February 12, 2003
    Date of Patent: September 5, 2006
    Assignees: Symyx Technologies, Inc., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Alexander Gorer, Peter Strasser, Martin Devenney, Qun Fan, Konstantinos Chondroudis, Daniel M. Giaquinta, Ting He, Hiroyuki Oyanagi, Kenta Urata, Kazuhiko Iwasaki, Hiroichi Fukuda
  • Publication number: 20060058185
    Abstract: A composition for use as a catalyst in, for example, a fuel cell, the composition comprising platinum, copper, and nickel, wherein the concentration of platinum therein is greater than 50 atomic percent and less than 80 atomic percent, and further wherein the sum of the concentrations of platinum, copper and nickel is greater than 95 atomic percent.
    Type: Application
    Filed: August 17, 2005
    Publication date: March 16, 2006
    Applicants: Symyx Technologies, Inc., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Keith Cendak, Alexander Gorer, Peter Strasser, Martin Devenney, Qun Fan, Konstantinos Chondroudis, Daniel Giaquinta, Kenta Urata, Hiroyuki Oyanagi
  • Publication number: 20060019825
    Abstract: Abstract of the Disclosure A fuel cell electrocatalyst that contains platinum, indium, and at least one of tungsten, iron, and manganese.
    Type: Application
    Filed: May 19, 2004
    Publication date: January 26, 2006
    Applicants: Symyx Technologies, Inc., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: MARTIN DEVENNEY, Alexander Gorer, Peter Strasser, Ting He, Hiroyuki Oyanagi, Daniel Giaquinta, Qun Fan, Konstantinos Chondroudis
  • Publication number: 20050227128
    Abstract: A fuel cell catalyst containing platinum, zinc, and at least one of nickel and iron.
    Type: Application
    Filed: March 6, 2003
    Publication date: October 13, 2005
    Inventors: Martin Devenney, Peter Strasser, Alexander Gorer, Qun Fan, Konstantinos Chondroudis, Daniel Giaquinta, Ting He, Hiroyuki Oyanagi, Kenta Urata, Kazuhiko Iwasaki, Hiroichi Fukuda
  • Publication number: 20050170222
    Abstract: An improved metal alloy composition for a fuel cell catalyst containing platinum, nickel, and manganese or iron.
    Type: Application
    Filed: February 27, 2003
    Publication date: August 4, 2005
    Inventors: Peter Strasser, Alexander Gorer, Martin Devenney, Ting He, Hiroyuki Oyanagi, Qun Fan, Konstantinos Chondroudis, Daniel Giaquinta, Kenta Urata, Kazuhiko Iwasaki, Hiroichi Fukuda
  • Publication number: 20050116346
    Abstract: Low dielectric materials and films comprising same have been identified for improved performance when used as interlevel dielectrics in integrated circuits as well as methods for making same. These materials are characterized as having a dielectric constant (?) a dielectric constant of about 3.7 or less; a normalized wall elastic modulus (E0?), derived in part from the dielectric constant of the material, of about 15 GPa or greater; and a metal impurity level of about 500 ppm or less. Low dielectric materials are also disclosed having a dielectric constant of less than about 1.95 and a normalized wall elastic modulus (E0?), derived in part from the dielectric constant of the material, of greater than about 26 GPa.
    Type: Application
    Filed: October 13, 2004
    Publication date: June 2, 2005
    Inventors: John Kirner, James MacDougall, Brian Peterson, Scott Weigel, Thomas Deis, Martin Devenney, C. Ramberg, Konstantinos Chondroudis, Keith Cendak
  • Publication number: 20050106449
    Abstract: An improved metal alloy composition for a fuel call catalyst containing platinum, manganese, and cobalt.
    Type: Application
    Filed: February 27, 2003
    Publication date: May 19, 2005
    Inventors: Qun Fan, Peter Strasser, Alexander Gorer, Martin Devenney, Konstantinos Chondroudis, Daniel Giaquinta, Ting He, Hiroyuki Oyanagi, Kenta Urata, Kazuhiko Iwasaki, Hiroichi Fukuda
  • Publication number: 20050050994
    Abstract: The present invention is directed to a method for forming combinatorial libraries comprising arrays of materials prepared by depositing a metal species on a support for use as catalysts, such as electrocatalysts. The invention is also directed to combinatorial libraries comprising an array of such metal-containing supported catalysts. These catalyst-containing libraries are particularly well-suited for use in conducting combinatorial research investigations, in particular with respect to electrocatalysts for fuel cells.
    Type: Application
    Filed: February 12, 2004
    Publication date: March 10, 2005
    Inventors: Martin Devenney, Konstantinos Chondroudis, Alexander Gorer
  • Publication number: 20050037920
    Abstract: A fuel cell electrocatalyst that contains platinum, indium, and at least one of tungsten, iron, and manganese.
    Type: Application
    Filed: May 19, 2004
    Publication date: February 17, 2005
    Inventors: Martin Devenney, Alexander Gorer, Peter Strasser, Ting He, Hiroyuki Oyanagi, Daniel Giaquinta, Qun Fan, Konstantinos Chondroudis
  • Publication number: 20040259725
    Abstract: A method for forming a supported metal-containing powder. The method comprises forming a dispersion of a particulate support in a solution, which comprises a solvent and a dissolved metal. Heat is removed from the dispersion to precipitate the dissolved metal from the solution onto the particulate support. Preferably, enough heat is removed to freeze the solution. Also, the heat is removed is preferably removed from the dispersion by contacting a container containing the dispersion with a cryogenic liquid. After precipitating the dissolved metal onto the particulate support, the particulate support is separated from the solution, preferably by freeze-drying, to yield the supported metal-containing powder, which comprises the particulate support and a precipitated metal thereon.
    Type: Application
    Filed: February 12, 2004
    Publication date: December 23, 2004
    Applicants: Symyx Technologies, Inc., Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Konstantinos Chondroudis, Martin Devenney, Alexander Gorer
  • Patent number: 6730416
    Abstract: The invention modifies and converts neutral dye molecules (D) to ionic salts (D-A+ X− or DA− X+), and employs them as emitting or charge transport layers in organic light emitting diodes (OLED's). This is achieved by attaching ionizable substituents (A) on the dye molecule during initial synthesis, and then reacting it with an appropriate agent that contains charge balancing ions (X). These ionic compounds can be deposited as amorphous films using conventional evaporation techniques. In addition, they are thermally stable to crystallization. OLED devices incorporating such dye salts for emitting layers exhibit superior efficiencies and durability compared with devices using neutral dye molecules.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: May 4, 2004
    Assignee: International Business Machines Corporation
    Inventors: Konstantinos Chondroudis, David B. Mitzi
  • Publication number: 20040071888
    Abstract: The present invention is generally relates to the field of research for the discovery of films with desirable properties, and to a process for making such films. More particularly, the present invention is directed to a system or an apparatus and a method for the rapid formation of a library of liquid samples and a library of thin films therefrom, as well as to the rapid screening of these films to identify those having desirable properties, all of which may be achieved using combinatorial techniques.
    Type: Application
    Filed: May 30, 2003
    Publication date: April 15, 2004
    Applicants: Symyx Technologies, Inc., Air Products and Chemicals, Inc.
    Inventors: Konstantinos Chondroudis, Keith Cendak, Martin Devenney, C. Eric Ramberg, Xuejun (Jason) Wang, Raymond E. Carhart, Scott Jeffrey Weigel, John Francis Kirner, Thomas Alan Deis, Earl Danielson, James Edward MacDougall, Lisa Deis, Sum Nguyen
  • Publication number: 20040048960
    Abstract: Low dielectric materials and films comprising same have been identified for improved performance when used as performance materials, for example, in interlevel dielectrics integrated circuits as well as methods for making same. In one aspect of the present invention, the performance of the dielectric material may be improved by controlling the weight percentage of ethylene oxide groups in the at least one porogen.
    Type: Application
    Filed: May 20, 2003
    Publication date: March 11, 2004
    Inventors: Brian Keith Peterson, John Francis Kirner, Scott Jeffrey Weigel, James Edward MacDougall, Lisa Deis, Thomas Albert Braymer, Keith Douglas Campbell, Martin Devenney, C. Eric Ramberg, Konstantinos Chondroudis, Keith Cendak
  • Publication number: 20030232235
    Abstract: An improved metal alloy fuel cell electrocatalyst composition containing platinum, rhodium, molybdenum, and nickel iron or a combination thereof.
    Type: Application
    Filed: February 12, 2003
    Publication date: December 18, 2003
    Applicant: Symyx Technologies, Inc.
    Inventors: Alexander Gorer, Peter Strasser, Martin Devenney, Qun Fan, Konstantinos Chondroudis, Daniel M. Giaquinta, Ting He, Hiroyuki Oyanagi, Kenta Urata, Kazuhiko Iwasaki, Hiroichi Fukuda
  • Publication number: 20030224156
    Abstract: Low dielectric materials and films comprising same have been identified for improved performance when used as interlevel dielectrics in integrated circuits as well as methods for making same. These materials are characterized as having a dielectric constant (&kgr;) a dielectric constant of about 3.7 or less; a normalized wall elastic modulus (E0′), derived in part from the dielectric constant of the material, of about 15 GPa or greater; and a metal impurity level of about 500 ppm or less. Low dielectric materials are also disclosed having a dielectric constant of less than about 1.95 and a normalized wall elastic modulus (E0′), derived in part from the dielectric constant of the material, of greater than about 26 GPa.
    Type: Application
    Filed: May 30, 2002
    Publication date: December 4, 2003
    Inventors: John Francis Kirner, James Edward MacDougall, Brian Keith Peterson, Scott Jeffrey Weigel, Thomas Alan Deis, Martin Devenney, C. Eric Ramberg, Konstantinos Chondroudis, Keith Cendak