Patents by Inventor Rimple Bhatia

Rimple Bhatia 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).

  • Security features, their use and processes for making them
    Publication number: 20070190298
    Abstract: This invention is directed to security features that are formed, created, printed from inks comprising metallic particles and/or metallic nanoparticles. Preferably, the security feature is a reflective security features that comprises metallic nanoparticles where the reflective security features are formed by a direct-writing process, e.g., an ink jet printing process, using an ink comprising metallic nanoparticles. The invention is also directed to the use of these security features in many applications and to processes for making them.
    Type: Application
    Filed: January 13, 2006
    Publication date: August 16, 2007
    Applicant: Cabot Corporation
    Inventors: Mark Hampden-Smith, Richard Einhorn, Scott Haubrich, Ned Hardman, Jainisha Shah, Rimple Bhatia, Ralph Kornbrekke
  • Energy devices
    Patent number: 7255954
    Abstract: Electrocatalyst powders and energy devices fabricated using electrocatalyst powders and methods for making energy devices. The energy devices, such as fuel cells, have improved performance over a range of operating conditions.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: August 14, 2007
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Paolina Atanassova, Paul Napolitano, Rimple Bhatia, James H. Brewster
  • Alloy catalyst compositions and processes for making and using same
    Publication number: 20070160899
    Abstract: Composite particles comprising inorganic nanoparticles disposed on a substrate particle and processes for making and using same. A flowing aerosol is generated that includes droplets of a precursor medium dispersed in a gas phase. The precursor medium contains a liquid vehicle and at least one precursor. At least a portion of the liquid vehicle is removed from the droplets of precursor medium under conditions effective to convert the precursor to the nanoparticles on the substrate and form the composite particles.
    Type: Application
    Filed: January 10, 2006
    Publication date: July 12, 2007
    Applicant: Cabot Corporation
    Inventors: Paolina Atanassova, Rimple Bhatia, Yipeng Sun, Mark Hampden-Smith, James Brewster, Paul Napolitano
  • Membrane electrode assemblies for use in fuel cells
    Patent number: 7211345
    Abstract: Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by heating the aerosol to a relatively low temperature, such as not greater than about 400° C.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: May 1, 2007
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Klaus Kunze, Paul Napolitano, Rimple Bhatia, David E. Dericotte, Paolina Atanassova
  • METHOD OF PRODUCING MEMBRANE ELECTRODE ASSEMBLIES FOR USE IN PROTON EXCHANGE MEMBRANE AND DIRECT METHANOL FUEL CELLS
    Publication number: 20060292434
    Abstract: Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods can utilize direct-write tools to deposit ink compositions and form functional layers of a membrane electrode assembly having controlled properties and enhanced performance.
    Type: Application
    Filed: August 14, 2006
    Publication date: December 28, 2006
    Inventors: Mark Hampden-Smith, Toivo Kodas, Paolina Atanassova, Rimple Bhatia, Ross Miesem, Paul Napolitano, Gordon Rice
  • METHOD OF PRODUCING MEMBRANE ELECTRODE ASSEMBLIES FOR USE IN PROTON EXCHANGE MEMBRANE AND DIRECT METHANOL FUEL CELLS
    Publication number: 20060269824
    Abstract: Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods can utilize direct-write tools to deposit ink compositions and form functional layers of a membrane electrode assembly having controlled properties and enhanced performance.
    Type: Application
    Filed: July 3, 2006
    Publication date: November 30, 2006
    Inventors: Mark Hampden-Smith, Toivo Kodas, Paolina Atanassova, Rimple Bhatia, Ross Miesem, Paul Napolitano, Gordon Rice
  • Method for the deposition of an electrocatalyst layer
    Patent number: 7138159
    Abstract: Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by heating the aerosol to a relatively low temperature, such as not greater than about 400° C.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: November 21, 2006
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Klaus Kunze, Paul Napolitano, Rimple Bhatia, David E. Dericotte, Paolina Atanassova
  • METHODS FOR THE DEPOSITION OF ELECTROCATALYST PARTICLES
    Publication number: 20060247122
    Abstract: Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics.
    Type: Application
    Filed: June 14, 2006
    Publication date: November 2, 2006
    Inventors: Mark Hampden-Smith, Toivo Kodas, Plamen Atanassov, Paolina Atanassova, Klaus Kunze, Paul Napolitano, David Dericotte, Rimple Bhatia
  • Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
    Patent number: 7098163
    Abstract: Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods can utilize direct-write tools to deposit ink compositions and form functional layers of a membrane electrode assembly having controlled properties and enhanced performance.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: August 29, 2006
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Paolina Atanassova, Rimple Bhatia, Ross A. Miesem, Paul Napolitano, Gordon L. Rice
  • Metal-air battery components and methods for making same
    Patent number: 7087341
    Abstract: Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: August 8, 2006
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Paolina Atanassova, Klaus Kunze, Paul Napolitano, David Dericotte, Rimple Bhatia
  • Method for making composite particles including a polymer phase
    Patent number: 6991754
    Abstract: Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics.
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: January 31, 2006
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Paolina Atanassova, Klaus Kunze, Paul Napolitano, David Dericotte, Rimple Bhatia
  • Electrocatalyst powders, methods for producing powders and devices fabricated from same
    Patent number: 6967183
    Abstract: Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by heating the aerosol to a relatively low temperature, such as not greater than about 400° C.
    Type: Grant
    Filed: March 22, 2001
    Date of Patent: November 22, 2005
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Klaus Kunze, Paul Napolitano, Rimple Bhatia, David E. Dericotte, Paolina Atanassova
  • Modified carbon products, their use in electrocatalysts and electrode layers and similar devices and methods relating to the same
    Publication number: 20050233183
    Abstract: Electrodes and electrocatalyst layers incorporating modified carbon products. The modified carbon products may advantageously enhance the properties of an electrode or electrode layer, leading to more efficiency within the a fuel cell or similar device.
    Type: Application
    Filed: March 15, 2005
    Publication date: October 20, 2005
    Inventors: Mark Hampden-Smith, Paolina Atanassova, Gordon Rice, James Caruso, James Brewster, Rimple Bhatia, Paul Napolitano, Bogdan Gurau
  • Modified carbon products, their use in proton exchange membranes and similar devices and methods relating to the same
    Publication number: 20050221141
    Abstract: Proton exchange membranes incorporating modified carbon products. The modified carbon products advantageously enhance the properties of proton exchange membranes, leading to more efficiency within a fuel cell or similar device.
    Type: Application
    Filed: March 15, 2005
    Publication date: October 6, 2005
    Inventors: Mark Hampden-Smith, Paolina Atanassova, Paul Napolitano, Rimple Bhatia, Gordon Rice, James Caruso, Bogdan Gurau
  • Modified carbon products, their use in bipolar plates and similar devices and methods relating to same
    Publication number: 20050221139
    Abstract: Bipolar plates incorporating modified carbon products. The modified carbon products advantageously enhance the properties of the bipolar plates, leading to more efficiency within a fuel cell or a similar device.
    Type: Application
    Filed: March 15, 2005
    Publication date: October 6, 2005
    Inventors: Mark Hampden-Smith, Paolina Atanassova, James Caruso, Gordon Rice, Rimple Bhatia, Paul Napolitano, Bogdan Gurau
  • Energy devices and methods for the fabrication of energy devices
    Patent number: 6753108
    Abstract: Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: June 22, 2004
    Assignee: Superior MicroPowders, LLC
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Paolina Atanassova, Klaus Kunze, Paul Napolitano, David Dericotte, Rimple Bhatia
  • Electrocatalyst powders, methods for producing powder and devices fabricated from same
    Publication number: 20040072683
    Abstract: Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by heating the aerosol to a relatively low temperature, such as not greater than about 400° C.
    Type: Application
    Filed: October 3, 2003
    Publication date: April 15, 2004
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, Plamen Atanassov, Klaus Kunze, Paul Napolitano, Rimple Bhatia, David Dericotte, Paolina Atanassova
  • Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
    Publication number: 20040038808
    Abstract: Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods can utilize direct-write tools to deposit ink compositions and form functional layers of a membrane electrode assembly having controlled properties and enhanced performance.
    Type: Application
    Filed: April 16, 2003
    Publication date: February 26, 2004
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Paolina Atanassova, Rimple Bhatia, Ross A. Miesem, Paul Napolitano, Gordon L. Rice
  • Energy devices
    Publication number: 20030198849
    Abstract: Electrocatalyst powders and energy devices fabricated using electrocatalyst powders and methods for making energy devices. The energy devices, such as fuel cells, have improved performance over a range of operating conditions.
    Type: Application
    Filed: October 24, 2002
    Publication date: October 23, 2003
    Inventors: Mark J. Hampden-Smith, Toivo Kodas, Paolina Atanassova, Paul Napolitano, Rimple Bhatia, James H. Brewster
  • Method for the deposition of an electrocatalyst layer
    Publication number: 20030130114
    Abstract: Electrocatalyst powders and methods for producing electrocatalyst powders, such as carbon composite electrocatalyst powders. The powders have a well-controlled microstructure and morphology. The method includes forming the particles from an aerosol of precursors by heating the aerosol to a relatively low temperature, such as not greater than about 400° C.
    Type: Application
    Filed: August 5, 2002
    Publication date: July 10, 2003
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Klaus Kunze, Paul Napolitano, Rimple Bhatia, David E. Dericotte, Paolina Atanassova