Patents by Inventor Gregory Gratson

Gregory Gratson 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).

  • DIRECTED ASSEMBLY OF THREE-DIMENSIONAL STRUCTURES WITH MICRON-SCALE FEATURES
    Publication number: 20100330220
    Abstract: Polyelectrolyte inks comprising a solvent, a cationic polyelectrolyte dissolved in the solvent, and an anionic polyelectrolyte dissolved in the solvent, are described. The concentration of at least one of the polyelectrolytes in the solvent is in a semidilute regime.
    Type: Application
    Filed: September 3, 2010
    Publication date: December 30, 2010
    Applicant: Board of Trustees of University of Illinois
    Inventors: Gregory Gratson, Jennifer A. Lewis
  • Directed assembly of three-dimensional structures with micron-scale features
    Patent number: 7790061
    Abstract: The invention provides polyelectrolyte inks comprising a solvent, a cationic polyelectrolyte, dissolved in the solvent, and an anionic polyelectrolyte, dissolved in the solvent. The concentration of at least one of the polyelectrolytes in the solvent is in a semidilute regime.
    Type: Grant
    Filed: November 16, 2006
    Date of Patent: September 7, 2010
    Assignee: Board of Trustees of University of Illinois
    Inventors: Gregory Gratson, Jennifer A. Lewis
  • DIRECTED ASSEMBLY OF THREE-DIMENSIONAL STRUCTURES WITH MICRON-SCALE FEATURES
    Publication number: 20070228335
    Abstract: The invention provides polyelectrolyte inks comprising a solvent, a cationic polyelectrolyte, dissolved in the solvent, and an anionic polyelectrolyte, dissolved in the solvent. The concentration of at least one of the polyelectrolytes in the solvent is in a semidilute regime.
    Type: Application
    Filed: November 16, 2006
    Publication date: October 4, 2007
    Inventors: Gregory Gratson, Jennifer Lewis
  • Directed assembly of three-dimensional structures with micron-scale features
    Patent number: 7141617
    Abstract: The invention provides polyelectrolyte inks comprising a solvent, a cationic polyelectrolyte, dissolved in the solvent, and an anionic polyelectrolyte, dissolved in the solvent. The concentration of at least one of the polyelectrolytes in the solvent is in a semidilute regime.
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: November 28, 2006
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Gregory Gratson, Jennifer A. Lewis
  • DIRECTED ASSEMBLY OF THREE-DIMENSIONAL STRUCTURES WITH MICRON-SCALE FEATURES
    Publication number: 20060235105
    Abstract: The invention provides polyelectrolyte inks comprising a solvent, a cationic polyelectrolyte, dissolved in the solvent, and an anionic polyelectrolyte, dissolved in the solvent. The concentration of at least one of the polyelectrolytes in the solvent is in a semidilute regime.
    Type: Application
    Filed: June 17, 2003
    Publication date: October 19, 2006
    Inventors: Gregory Gratson, Jennifer Lewis