Patents by Inventor Jung-Woo T. Seo

Jung-Woo T. Seo 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).

  • Separation of single-walled carbon nanotubes by self-forming density gradient ultracentrifugation
    Patent number: 9266735
    Abstract: The separation of single-walled carbon nanotubes (SWCNTs), by electronic type, using centrifugation of compositions of SWCNTs and surface active block copolymers in self-forming density gradient media.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: February 23, 2016
    Assignee: Northwestern University
    Inventors: Mark C. Hersam, Jung-Woo T. Seo, Alexander Lee Antaris, Alexander A. Green
  • Sorting two-dimensional nanomaterials by thickness
    Patent number: 9221064
    Abstract: The present teachings provide, in part, methods of separating two-dimensional nanomaterials by atomic layer thickness. In certain embodiments, the present teachings provide methods of generating graphene nanomaterials having a controlled number of atomic layer(s).
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: December 29, 2015
    Assignee: Northwestern University
    Inventors: Mark C. Hersam, Jung-Woo T. Seo, Joohoon Kang, Alexander A. Green
  • Sorting Two-Dimensional Nanomaterials by Thickness
    Publication number: 20150283482
    Abstract: The present teachings provide, in part, methods of separating two-dimensional nanomaterials by atomic layer thickness. In certain embodiments, the present teachings provide methods of generating graphene nanomaterials having a controlled number of atomic layer(s).
    Type: Application
    Filed: October 30, 2014
    Publication date: October 8, 2015
    Inventors: Mark C. Hersam, Jung-Woo T. Seo, Joohoon Kang, Alexander A. Green
  • Highly concentrated nano-reinforcement suspensions for cementitious materials and method of reinforcing such materials
    Patent number: 8865107
    Abstract: Highly concentrated carbon nanotube or other nano-reinforcement suspensions and/or masses are prepared for use as admixtures in cement base materials to make cementitious composite materials.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: October 21, 2014
    Assignee: Northwestern University
    Inventors: Mark C. Hersam, Jung-Woo T. Seo, Surendra P. Shah, Maria S. Konsta-Gdoutos, Zoi S. Metaxa
  • High-concentration aqueous dispersions of graphene using nonionic, biocompatible copolymers
    Publication number: 20140248214
    Abstract: Methods of using a surface active block copolymer to disperse graphene in an aqueous medium, such dispersions which can be subsequently separated and processed for a range of end-use applications, including biomedical applications.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 4, 2014
    Inventors: Mark C. Hersam, Jung-Woo T. Seo, Alexander A. Green, Alexander L. Antaris
  • Separation of single-walled carbon nanotubes by self-forming density gradient ultracentrifugation
    Publication number: 20130040798
    Abstract: The separation of single-walled carbon nanotubes (SWCNTs), by electronic type, using centrifugation of compositions of SWCNTs and surface active block copolymers in self-forming density gradient media.
    Type: Application
    Filed: August 7, 2012
    Publication date: February 14, 2013
    Applicant: Northwestern University
    Inventors: Mark C. Hersam, Jung-Woo T. Seo, Alexander Lee Antaris, Alexander A. Green
  • Highly concentrated nano-reinforcement suspensions for cementitious materials and method of reinforcing such materials
    Publication number: 20120042806
    Abstract: Highly concentrated carbon nanotube or other nano-reinforcement suspensions and/or masses are prepared for use as admixtures in cement base materials to make cementitious composite materials.
    Type: Application
    Filed: June 22, 2011
    Publication date: February 23, 2012
    Inventors: Mark C. Hersam, Jung-Woo T. Seo, Surendra P. Shah, Maria S. Konsta-Gdoutos, Zoi S. Metaxa