Patents by Inventor William D. Ramsden

William D. Ramsden 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).

  • Nanowire preparation methods, compositions, and articles
    Patent number: 9321108
    Abstract: Preparation methods, compositions, and articles are disclosed and claimed. Methods for reducing metal ions to metals, the metal products, and articles comprising the metal products are claimed. Such methods show improved reproducibility upon scale-up than previous methods, resulting in products that exhibit reduced variability. The claimed inventions are useful for electronic and optical applications.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: April 26, 2016
    Assignee: Carestream Health, Inc.
    Inventors: William D. Ramsden, Doreen C. Lynch, Junping Zhang
  • NITROGEN-CONTAINING COMPOUNDS AS ADDITIVES FOR TRANSPARENT CONDUCTIVE FILMS
    Publication number: 20150287494
    Abstract: A transparent conductive article comprising a transparent support and at least one first layer disposed on the transparent support, the at least one first layer comprising a network of silver nanowires dispersed within at least one polymer binder, where the transparent conductive article comprises one or more additives, the one or more additives comprising at least one amine compound.
    Type: Application
    Filed: February 19, 2015
    Publication date: October 8, 2015
    Inventors: James B. Philip, JR., Doreen C. Lynch, Chaofeng Zou, William D. Ramsden, Haiyun Lu
  • Nanowire preparation methods, compositions, and articles
    Patent number: 9101983
    Abstract: Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: August 11, 2015
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, William D. Ramsden
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20150174659
    Abstract: Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies and reduced nitric oxide co-production relative to previous methods. Such materials are useful in electronic applications.
    Type: Application
    Filed: February 24, 2015
    Publication date: June 25, 2015
    Inventors: David R. Whitcomb, William D. Ramsden
  • Nanowire preparation methods, compositions, and articles
    Patent number: 9039804
    Abstract: Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies and reduced nitric oxide co-production relative to previous methods. Such materials are useful in electronic applications.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: May 26, 2015
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, William D. Ramsden
  • Nanowire preparation methods, compositions, and articles
    Patent number: 9017449
    Abstract: Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: April 28, 2015
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • Nanowire preparation methods, compositions, and articles
    Patent number: 8980170
    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: July 9, 2014
    Date of Patent: March 17, 2015
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20140322069
    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: July 9, 2014
    Publication date: October 30, 2014
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • Nanowire preparation methods, compositions, and articles
    Patent number: 8815150
    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: September 24, 2013
    Date of Patent: August 26, 2014
    Assignee: Carestream Health, Inc.
    Inventors: David R Whitcomb, William D Ramsden, Doreen C Lynch
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20140123808
    Abstract: Methods of preparing nanowires by reducing metal cations are disclosed and claimed, where the metal cation reduction occurs in at least two stages. Such methods can exhibit improved reproducibility and reduced variability. The product nanowires are useful in, for example, electronics applications.
    Type: Application
    Filed: October 2, 2013
    Publication date: May 8, 2014
    Inventors: Doreen C. Lynch, William D. Ramsden, Jeffrey Blinn, Junping Zhang
  • 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
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20130343950
    Abstract: Methods of producing metal nanowires employing tubular continuous-flow reactors and their products are described and claimed. Such methods can provide superior nanowire uniformity without agglomeration. Such nanowires are useful for electronic applications.
    Type: Application
    Filed: August 28, 2013
    Publication date: December 26, 2013
    Inventors: Richard R. Ollmann, William D. Ramsden, Doreen C. Lynch
  • 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: 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
  • 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: 8551211
    Abstract: Methods of producing metal nanowires employing tubular continuous-flow reactors and their products are described and claimed. Such methods can provide superior nanowire uniformity without agglomeration. Such nanowires are useful for electronic applications.
    Type: Grant
    Filed: January 11, 2012
    Date of Patent: October 8, 2013
    Assignee: Carestream Health, Inc.
    Inventors: Richard R. Oilmann, William D. Ramsden, Doreen C. Lynch
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120247272
    Abstract: Nanomaterial preparation methods, compositions, and articles are disclosed and claimed. Such methods can provide nanomaterials with improved morphologies relative to previous methods. Such materials are useful in electronic applications.
    Type: Application
    Filed: May 29, 2012
    Publication date: October 4, 2012
    Inventors: David R. Whitcomb, William D. Ramsden
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120207644
    Abstract: Methods of producing metal nanowires employing tubular continuous-flow reactors and their products are described and claimed. Such methods can provide superior nanowire uniformity without agglomeration. Such nanowires are useful for electronic applications.
    Type: Application
    Filed: January 11, 2012
    Publication date: August 16, 2012
    Inventors: Richard R. Ollmann, William D. Ramsden, Doreen C. Lynch
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120183434
    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: December 15, 2011
    Publication date: July 19, 2012
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch
  • NANOWIRE PREPARATION METHODS, COMPOSITIONS, AND ARTICLES
    Publication number: 20120183435
    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: March 15, 2012
    Publication date: July 19, 2012
    Inventors: David R. Whitcomb, William D. Ramsden, Doreen C. Lynch