Patents by Inventor David R. Whitcomb

David R. Whitcomb 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).

  • BRANCHED NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20140224067
    Abstract: Branched nanowire preparation methods, compositions, and articles are disclosed. Such branched nanowires are useful for electronics and optical applications.
    Type: Application
    Filed: April 15, 2014
    Publication date: August 14, 2014
    Applicant: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • Copper nanowire preparation methods and compositions
    Patent number: 8764878
    Abstract: Claimed methods do not rely on highly reactive reagents, highly corrosive solutions, high temperatures, or long reaction times. Nanowires produced from such methods are free of large attached nanoparticles that have accompanied previously disclosed copper nanowires. Such nanowires are useful for electronics applications.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: July 1, 2014
    Inventor: David R. Whitcomb
  • Nanowire preparation methods, compositions, and articles
    Patent number: 8741025
    Abstract: Methods of preparing metal nanowire are disclosed that employ quaternary phosphonium salts. Such processes can produce long and thin nanowires. Compositions and articles comprising such nanowires are useful in electronics applications.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: June 3, 2014
    Assignee: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • Branched nanowire preparation methods, compositions, and articles
    Patent number: 8741026
    Abstract: Branched nanowire preparation methods, compositions, and articles are disclosed. Such branched nanowires are useful for electronics and optical applications.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: June 3, 2014
    Assignee: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • NOVEL SOLVENTS FOR METAL ION REDUCTION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20140119980
    Abstract: Methods employing novel solvents are disclosed for making metal nanostructures including metal nanowires. Such methods can be carried out at lower temperatures and higher production rates than those employing ethylene glycol. The products of these methods are useful for electronics applications.
    Type: Application
    Filed: January 6, 2014
    Publication date: May 1, 2014
    Applicant: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20140023552
    Abstract: Methods of producing metal nanowires, compositions, and articles are disclosed. Such methods allow production of metal nanowires with reproducibly uniform diameter and length, even in the presence of catalyst concentration variation. Such metal nanowires are useful for electronics applications.
    Type: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • TRANSPARENT CONDUCTIVE FILMS, ARTICLES, AND METHODS
    Publication number: 20140017483
    Abstract: Transparent conductive films, articles made from them, and methods of making them are disclosed. Some transparent conductive films include flexible glass substrates and conductive layers containing metal nanoparticles. Others include at least one layer with cell walls that contain metal nanorods or conductive nanowires. Still others include a substrate with a coating disposed on it, with the coating including conductive components and photopolymers. Such films are useful in such articles as electronic displays, touch screens, and the like.
    Type: Application
    Filed: June 3, 2013
    Publication date: January 16, 2014
    Inventor: David R. Whitcomb
  • NANOWIRE PREPARATION, METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20130340570
    Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such nanowires may be thicker than other nanowires and may be useful in devices requiring high electrical current densities.
    Type: Application
    Filed: August 29, 2013
    Publication date: December 26, 2013
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • Nanowire preparation methods, compositions, and articles
    Patent number: 8613887
    Abstract: Methods of producing metal nanowires, compositions, and articles are disclosed. Such methods allow production of metal nanowires with reproducibly uniform diameter and length, even in the presence of catalyst concentration variation. Such metal nanowires are useful for electronics applications.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: December 24, 2013
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • Nanowire preparation methods, compositions, and articles
    Patent number: 8613888
    Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such nanowires may be thicker than other nanowires and may be useful in devices requiring high electrical current densities.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: December 24, 2013
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • TRANSPARENT CONDUCTIVE FILMS, ARTICLES, AND METHODS
    Publication number: 20130273357
    Abstract: Transparent conductive films, articles made from them, and methods of making them are disclosed. Some transparent conductive films include flexible glass substrates and conductive layers containing metal nanoparticles. Others include at least one layer with cell walls that contain metal nanorods or conductive nanowires. Still others include a substrate with a coating disposed on it, with the coating including conductive components and photopolymers. Such films are useful in such articles as electronic displays, touch screens, and the like.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 17, 2013
    Inventors: David R. Whitcomb, Chaofeng Zou
  • TRANSPARENT CONDUCTIVE FILMS, ARTICLES, AND METHODS
    Publication number: 20130266898
    Abstract: Transparent conductive films, articles made from them, and methods of making them are disclosed. Some transparent conductive films include flexible glass substrates and conductive layers containing metal nanoparticles. Others include at least one layer with cell walls that contain metal nanorods or conductive nanowires. Still others include a substrate with a coating disposed on it, with the coating including conductive components and photopolymers. Such films are useful in such articles as electronic displays, touch screens, and the like.
    Type: Application
    Filed: June 3, 2013
    Publication date: October 10, 2013
    Inventor: David R. Whitcomb
  • COPPER NANOWIRE PREPARATION METHODS AND COMPOSITIONS
    Publication number: 20130230737
    Abstract: Methods are disclosed for preparing copper nanowires that do not rely on highly reactive reagents, highly corrosive solutions, high temperatures, or long reaction times. Nanowires produced from such methods are free of large attached nanoparticles that have accompanied previously disclosed copper nanowires. Such nanowires are useful for electronics applications.
    Type: Application
    Filed: February 12, 2013
    Publication date: September 5, 2013
    Inventor: David R. Whitcomb
  • NANOWIRE RING PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20130186239
    Abstract: Methods and compositions are disclosed for preparation of both open and closed nanowire metal rings. Such rings may be used in conductive layers of electronic devices.
    Type: Application
    Filed: December 11, 2012
    Publication date: July 25, 2013
    Inventors: David R. Whitcomb, Junping Zhang
  • Transparent conductive films, articles, and methods
    Patent number: 8486537
    Abstract: Transparent conductive films, articles made from them, and methods of making them are disclosed. Some transparent conductive films include flexible glass substrates and conductive layers containing metal nanoparticles. Others include at least one layer with cell walls that contain metal nanorods or conductive nanowires. Still others include a substrate with a coating disposed on it, with the coating including conductive components and photopolymers. Such films are useful in such articles as electronic displays, touch screens, and the like.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: July 16, 2013
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, Chaofeng Zou
  • METAL ION CATALYSIS OF METAL ION REDUCTION, METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120301352
    Abstract: Methods for preparing metal nanowires in the presence of IUPAC Group 15 ions are disclosed. Such methods are capable of producing high aspect ratio nanowires that are suitable for electronics applications.
    Type: Application
    Filed: April 18, 2012
    Publication date: November 29, 2012
    Inventor: David R. Whitcomb
  • NOVEL SOLVENTS FOR METAL ION REDUCTION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120301348
    Abstract: Methods employing novel solvents are disclosed for making metal nanostructures including metal nanowires. Such methods can be carried out at lower temperatures and higher production rates than those employing ethylene glycol. The products of these methods are useful for electronics applications.
    Type: Application
    Filed: March 2, 2012
    Publication date: November 29, 2012
    Inventor: David R. Whitcomb
  • ZERO-VALENT CATALYSIS OF METAL ION REDUCTION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120301742
    Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such methods, which reduce metal ions to metal nanowires in the presence of zero-valent metal atoms, are capable of producing long, narrow, nanowires useful for electronics and optical applications.
    Type: Application
    Filed: April 23, 2012
    Publication date: November 29, 2012
    Inventor: David R. Whitcomb
  • METAL ION CATALYSIS OF METAL ION REDUCTION, METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120301353
    Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such methods which reduce metal ions to metal nanowires in the presence complexes comprising metal-metal bonds, are capable of producing long, narrow, nanowires useful for electronics and optical applications.
    Type: Application
    Filed: April 23, 2012
    Publication date: November 29, 2012
    Inventor: David R. Whitcomb
  • BRANCHED NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120297927
    Abstract: Branched nanowire preparation methods, compositions, and articles are disclosed. Such branched nanowires are useful for electronics and optical applications.
    Type: Application
    Filed: May 1, 2012
    Publication date: November 29, 2012
    Inventor: David R. Whitcomb