Patents by Inventor Ilhan A. Aksay

Ilhan A. Aksay 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).

  • Electrohydrodynamic printing and manufacturing
    Patent number: 8906285
    Abstract: An stable electrohydrodynamic filament is obtained by causing a straight electrohydrodynamic filament formed from a liquid to emerge from a Taylor cone, the filament having a diameter of from 10 nm to 100 ?m. Such filaments are useful in electrohydrodynamic printing and manufacturing techniques and their application in liquid drop/particle and fiber production, colloidal deployment and assembly, and composite materials processing.
    Type: Grant
    Filed: October 31, 2006
    Date of Patent: December 9, 2014
    Assignee: The Trustees of Princeton University
    Inventors: Ilhan A. Aksay, Hak Fei Poon, Sibel Korkut, Chuan-hua Chen, Joy Wagner Saville
  • Conductive circuit containing a polymer composition containing thermally exfoliated graphite oxide and method of making the same
    Patent number: 8891247
    Abstract: A conductive circuit containing a polymer composite, which contains at least one polymer and a modified graphite oxide material, containing thermally exfoliated graphite oxide having a surface area of from about 300 m2/g to 2600 m2/g, and a method of making the same.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: November 18, 2014
    Assignee: The Trustees of Princeton University
    Inventors: Robert K. Prud'Homme, Ilhan A. Aksay
  • Printed electronics
    Patent number: 8697485
    Abstract: Printed electronic device comprising a substrate onto at least one surface of which has been applied a layer of an electrically conductive ink comprising functionalized graphene sheets and at least one binder. A method of preparing printed electronic devices is further disclosed.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: April 15, 2014
    Assignees: Vorbeck Materials Corporation, The Trustees of Princeton University
    Inventors: John M. Crain, John S. Lettow, Ilhan A. Aksay, Sibel A. Korkut, Katherine S. Chiang, Chuan-Hua Chen, Robert K. Prud'Homme
  • NANO-GRAPHENE AND NANO-GRAPHENE OXIDE
    Publication number: 20140079932
    Abstract: Nano-graphene oxide sheets or nano-graphene sheets having a maximum average lateral dimension of about 50 nm and methods of making nano-graphene oxide sheets and nano-graphene sheets.
    Type: Application
    Filed: September 4, 2013
    Publication date: March 20, 2014
    Applicant: The Trustees of Princeton University
    Inventors: Ilhan A. AKSAY, Michael Pope, Joseph Roy-Mayhew
  • NANOCOMPOSITE OF GRAPHENE AND METAL OXIDE MATERIALS
    Publication number: 20140030181
    Abstract: Nanocomposite materials comprising a metal oxide bonded to at least one graphene material. The nanocomposite materials exhibit a specific capacity of at least twice that of the metal oxide material without the graphene at a charge/discharge rate greater than about 10 C.
    Type: Application
    Filed: October 1, 2013
    Publication date: January 30, 2014
    Applicants: The Trustees of Princeton University, Battelle Memorial Institute
    Inventors: Jun Liu, Ilhan A. Aksay, Daiwon Choi, Donghai Wang, Zhenguo Yang
  • REINFORCED POLYMERIC ARTICLES
    Publication number: 20130302588
    Abstract: Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets.
    Type: Application
    Filed: April 25, 2013
    Publication date: November 14, 2013
    Applicants: Kordsa Global Endustriyel Iplik Ve Kord Bezi Sanayi Ve Ticaret A.S., VORBECK MATERIALS CORP.
    Inventors: Ilhan A. Aksay, Bora Buyukdincer, Nurcin Javaherian, John S. Lettow, Gustavo Pino, Kate Redmond, Ibrahim O. Yildirim
  • Self assembled multi-layer nanocomposite of graphene and metal oxide materials
    Patent number: 8563169
    Abstract: Nanocomposite materials having at least two layers, each layer consisting of one metal oxide bonded to at least one graphene layer were developed. The nanocomposite materials will typically have many alternating layers of metal oxides and graphene layers, bonded in a sandwich type construction and will be incorporated into an electrochemical or energy storage device.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: October 22, 2013
    Assignee: Battelle Memorial Institute
    Inventors: Jun Liu, Ilhan A. Aksay, Daiwon Choi, Rong Kou, Zimin Nie, Donghai Wang, Zhenguo Yang
  • Nanocomposite of graphene and metal oxide materials
    Patent number: 8557442
    Abstract: Nanocomposite materials comprising a metal oxide bonded to at least one graphene material. The nanocomposite materials exhibit a specific capacity of at least twice that of the metal oxide material without the graphene at a charge/discharge rate greater than about 10 C.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: October 15, 2013
    Assignees: Battelle Memorial Institute, Trustees of Princeton University
    Inventors: Jun Liu, Ilhan A. Aksay, Daiwon Choi, Donghai Wang, Zhenguo Yang
  • Reinforced polymeric articles
    Patent number: 8449959
    Abstract: Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: May 28, 2013
    Assignees: Kordsa Global Endustriyel Iplik Ve Kord Bezi Sanayi Ve Ticaret A.S., Vorbeck Materials Corp.
    Inventors: Ilhan A. Aksay, Bora Buyukdincer, Nurcin Javaherian, John S. Lettow, Gustavo Pino, Kate Redmond, Ibrahim O. Yildirim
  • PRINTED ELECTRONICS
    Publication number: 20130033810
    Abstract: Printed electronic device comprising a substrate onto at least one surface of which has been applied a layer of an electrically conductive ink comprising functionalized graphene sheets and at least one binder. A method of preparing printed electronic devices is further disclosed.
    Type: Application
    Filed: September 5, 2012
    Publication date: February 7, 2013
    Applicants: THE TRUSTEES OF PRINCETON UNIVERSITY, VORBECK MATERIALS CORPORATION
    Inventors: John M. CRAIN, John S. LETTOW, Ilhan A. AKSAY, Sibel KORKUT, Katherine S. CHIANG, Chuan-Hua CHEN, Robert K. PRUD'HOMME
  • SELF ASSEMBLED MULTI-LAYER NANOCOMPOSITE OF GRAPHENE AND METAL OXIDE MATERIALS
    Publication number: 20120305165
    Abstract: Nanocomposite materials having at least two layers, each layer consisting of one metal oxide bonded to at least one graphene layer were developed. The nanocomposite materials will typically have many alternating layers of metal oxides and graphene layers, bonded in a sandwich type construction and will be incorporated into an electrochemical or energy storage device.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Inventors: Jun Liu, Ilhan A. Aksay, Daiwon Choi, Rong Kou, Zimin Nie, Donghai Wang, Zhenguo Yang
  • MESOPOROUS METAL OXIDE GRAPHENE NANOCOMPOSITE MATERIALS
    Publication number: 20120295027
    Abstract: A nanocomposite material formed of graphene and a mesoporous metal oxide having a demonstrated specific capacity of more than 200 F/g with particular utility when employed in supercapacitor applications. A method for making these nanocomposite materials by first forming a mixture of graphene, a surfactant, and a metal oxide precursor, precipitating the metal oxide precursor with the surfactant from the mixture to form a mesoporous metal oxide. The mesoporous metal oxide is then deposited onto a surface of the graphene.
    Type: Application
    Filed: July 26, 2012
    Publication date: November 22, 2012
    Inventors: Jun Liu, Ilhan A. Aksay, Rong Kou, Donghai Wang
  • NANOCOMPOSITE OF GRAPHENE AND METAL OXIDE MATERIALS
    Publication number: 20120295096
    Abstract: Nanocomposite materials comprising a metal oxide bonded to at least one graphene material. The nanocomposite materials exhibit a specific capacity of at least twice that of the metal oxide material without the graphene at a charge/discharge rate greater than about 10 C.
    Type: Application
    Filed: July 26, 2012
    Publication date: November 22, 2012
    Inventors: Jun Liu, Ilhan A. Aksay, Daiwon Choi, Donghai Wang, Zhenguo Yang
  • SEMICONDUCTOR COATED MICROPOROUS GRAPHENE SCAFFOLDS
    Publication number: 20120255607
    Abstract: A high surface area scaffold to be used for a solar cell, made of a three-dimensional percolated network of functionalized graphene sheets. It may be used in the preparation of a high surface area electrode by coating with a semi conductive material. Electronic devices can be made therefrom, including solar cells such as dye-sensitized solar cells.
    Type: Application
    Filed: November 18, 2010
    Publication date: October 11, 2012
    Applicant: The Trustees of Princeton University
    Inventors: Joseph Roy-Mayhew, Ilhan Aksay
  • Printed electronics
    Patent number: 8278757
    Abstract: Printed electronic device comprising a substrate onto at least one surface of which has been applied a layer of an electrically conductive ink comprising functionalized graphene sheets and at least one binder. A method of preparing printed electronic devices is further disclosed.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: October 2, 2012
    Assignees: Vorbeck Materials Corporation, The Trustees of Princeton University
    Inventors: John M. Crain, John S. Lettow, Ilhan A. Aksay, Sibel A. Korkut, Katherine S. Chiang, Chuan-hua Chen, Robert K. Prud'Homme
  • POLYMERIC FIBERS AND ARTICLES MADE THEREFROM
    Publication number: 20120244333
    Abstract: Fibers described herein comprise a composition including a polymer and graphene sheets. The fibers can be further formed into yarns, cords, and fabrics. The fibers can be in the form of polyamide, polyester, acrylic, acetate, modacrylic, spandex, lyocell fibers, and the like. Such fibers can take on a variety of forms, including, staple fibers, spun fibers, monofilaments, multifilaments, and the like.
    Type: Application
    Filed: September 16, 2011
    Publication date: September 27, 2012
    Applicants: KORDSA GLOBAL ENDUSTRIYEL IPLIK VE KORD BEZI SANAYI VE TICARET A.S., VORBECK MATERIALS CORP.
    Inventors: Ilhan A. Aksay, Suat H. Bekircan, John M. Crain, Sezen Gurdag, Emine Guven, Nurcin Javaherian, John S. Lettow, Kate Redmond, Ozlem Tekmek, Ali Vatansever, Ibrahim O. Yildirim
  • TIRE CORDS
    Publication number: 20120237749
    Abstract: Tire cords comprising fibers including at least one polymer and graphene sheets.
    Type: Application
    Filed: September 16, 2011
    Publication date: September 20, 2012
    Applicants: KORDSA GLOBAL ENDUSTRIYEL IPLIK VE KORD BEZI SANAYI VE TICARET A.S., VORBECK MATERIALS CORP.
    Inventors: Ilhan A. Aksay, Sezen Gurdag, Nurcin Javaherian, John S. Lettow, Gustavo Pino, Kate Redmond, Ali Vatansever, Ibrahim O. Yildirim
  • Nanocomposite of graphene and metal oxide materials
    Patent number: 8257867
    Abstract: Nanocomposite materials comprising a metal oxide bonded to at least one graphene material. The nanocomposite materials exhibit a specific capacity of at least twice that of the metal oxide material without the graphene at a charge/discharge rate greater than about 10C.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: September 4, 2012
    Assignee: Battelle Memorial Institute
    Inventors: Jun Liu, Ilhan A. Aksay, Daiwon Choi, Donghai Wang, Zhenguo Yang
  • GRAPHENE ELECTRODES FOR SOLAR CELLS
    Publication number: 20120145234
    Abstract: Electrodes for dye-sensitized solar cells comprising graphene sheets and at least one binder. The electrodes may be conductive and catalytic counter electrodes. The electrodes may be flexible.
    Type: Application
    Filed: October 10, 2011
    Publication date: June 14, 2012
    Applicant: The Trustees of Princeton University
    Inventors: Joseph D. ROY-MAYHEW, Ilhan A. Aksay
  • Supercapacitor and battery electrode containing thermally exfoliated graphite oxide
    Patent number: 8192870
    Abstract: A supercapacitor or battery electrode containing a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m2/g to 2600 m2/g.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: June 5, 2012
    Assignee: The Trustees of Princeton University
    Inventors: Ilhan A. Aksay, Ted Chao-Hung Yeh, Dudley A. Saville, Joy Saville, legal representative