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).

  • Patent number: 9327348
    Abstract: Preparation methods, compositions, and articles useful for electronic and optical applications are disclosed. Such methods reduce metal ions to metal nanowires in the presence of bromide ions, IUPAC Group 14 elements in their +2 oxidation state, and optionally chloride ions. The product nanowires are useful in electronics applications.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: May 3, 2016
    Inventors: Junping Zhang, David R. Whitcomb
  • Patent number: 9283623
    Abstract: Nanowire preparation methods, compositions, and articles are disclosed. Such methods which reduce metal ions to metal nanowires in the presence of aluminum or gallium ions, are capable of producing long, narrow, nanowires useful for electronics and optical applications.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: March 15, 2016
    Assignee: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • Patent number: 9278390
    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 5, 2011
    Date of Patent: March 8, 2016
    Assignee: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • Publication number: 20160018295
    Abstract: A device comprising a sampling container comprising a hollow elongated structure formed by at least one sidewall, a first end being open to receive an instrument, and a second end being open to provide a fluid passageway for fluid from a reservoir to enter into or drain from the fluid passageway when the first end of the sampling container is inserted into the fluid in the reservoir, the first end and the second end being disposed at opposite ends of the hollow elongated structure, a sidearm attached to the at least one sidewall, the sidearm comprising a joint, and a valve disposed at the joint.
    Type: Application
    Filed: June 18, 2015
    Publication date: January 21, 2016
    Inventors: David R. Whitcomb, Jeffrey Blinn
  • Publication number: 20160001370
    Abstract: A method comprising providing at least one reducing agent comprising at least one phenol group, the at least one reducing agent not also comprising a halogen atom, and reducing at least one silver ion to at least one silver nanowire in a reaction mixture comprising the at least one reducing agent. Exemplary reducing agents are 3,4-dihydroxybenzotriazole, 2,2?-isobutylidene-bis-(4,6-dimethyl-phenol), and tannic acid.
    Type: Application
    Filed: June 17, 2015
    Publication date: January 7, 2016
    Inventor: David R. Whitcomb
  • 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
  • Patent number: 9095903
    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: Grant
    Filed: December 11, 2012
    Date of Patent: August 4, 2015
    Assignee: Carestream Health, Inc.
    Inventors: David R. Whitcomb, Junping Zhang
  • 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
  • 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
  • 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
  • Patent number: 9017450
    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 8, 2011
    Date of Patent: April 28, 2015
    Assignee: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • 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
  • Patent number: 8956439
    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: Grant
    Filed: April 23, 2012
    Date of Patent: February 17, 2015
    Assignee: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • Publication number: 20150017415
    Abstract: Films, such as a film comprising a substrate comprising a substrate surface, and a layer comprising a plurality of nanowires on the substrate, where the plurality of nanowires are aligned substantially normal to the substrate surface. Methods, such as a method comprising depositing a plurality of nanostructures in a fluid onto a substrate comprising a surface, where the deposited nanostructures are aligned substantially normal to the surface of the substrate.
    Type: Application
    Filed: June 11, 2014
    Publication date: January 15, 2015
    Inventor: David R. Whitcomb
  • Publication number: 20150011763
    Abstract: A nanostructure comprising at least one metal nanowire comprising at least one surface, and at least one surface modifier disposed on the at least one surface, the at least one surface modifier comprising at least one linkage component, at least one nanowire binding moiety bonded to the at least one linkage component, and at least one surface modifying moiety also bonded to the at least one linkage component, where the at least one nanowire binding moiety is bonded to the at least one surface.
    Type: Application
    Filed: June 17, 2014
    Publication date: January 8, 2015
    Inventor: David R. Whitcomb
  • Publication number: 20140373349
    Abstract: Methods of patterning metal nanowire containing transparent conductive films using laser diodes, where the films comprise a radiation absorbing substance, such as an infrared absorbing substance or an ultraviolet absorbing substance. The use of laser diodes can decrease the time and costs associated with patterning transparent conductive films comprising nanowires, such as silver nanowires.
    Type: Application
    Filed: May 29, 2014
    Publication date: December 25, 2014
    Inventors: David R. Whitcomb, Robert R. Brearey, Stephen P. Riehm
  • 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
  • Patent number: 8815151
    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: Grant
    Filed: April 23, 2012
    Date of Patent: August 26, 2014
    Assignee: Carestream Health, Inc.
    Inventor: David R. Whitcomb
  • 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
  • Publication number: 20140227519
    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: Application
    Filed: April 17, 2014
    Publication date: August 14, 2014
    Applicant: Carestream Health, Inc.
    Inventor: David R. Whitcomb