Patents by Inventor Daniel M. Dabbs

Daniel M. Dabbs 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: 10920334
    Abstract: A method for the electrohydrodynamic deposition of carbonaceous materials utilizing an electrohydrodynamic cell comprising two electrodes comprised of a conductive material, by first combining a solid phase comprising a carbonaceous material and a suspension medium, placing the suspension between the electrodes, applying an electric field in a first direction, varying the intensity of the electric field sufficiently to drive lateral movement, increasing the electrical field to stop the lateral transport and fix the layers in place, then removing the applied field and removing the electrodes. Among the many different possibilities contemplated, the method may advantageously utilize: varying the spacing between the electrodes; removing the buildup from one or both electrodes; placing the electrodes into different suspensions; adjusting the concentration, pH, or temperature of the suspension(s); and varying the direction, intensity or duration of the electric fields.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: February 16, 2021
    Assignee: THE TRUSTEES OF PRINCETON UNIVERSITY
    Inventors: Ilhan A. Aksay, Valerie Alain-Rizzo, Michael Bozlar, David J. Bozym, Daniel M. Dabbs, Nicholas Szamreta, Cem B. Ustundag
  • Publication number: 20190100852
    Abstract: A method for the electrohydrodynamic deposition of carbonaceous materials utilizing an electrohydrodynamic cell comprising two electrodes comprised of a conductive material, by first combining a solid phase comprising a carbonaceous material and a suspension medium, placing the suspension between the electrodes, applying an electric field in a first direction, varying the intensity of the electric field sufficiently to drive lateral movement, increasing the electrical field to stop the lateral transport and fix the layers in place, then removing the applied field and removing the electrodes. Among the many different possibilities contemplated, the method may advantageously utilize: varying the spacing between the electrodes; removing the buildup from one or both electrodes; placing the electrodes into different suspensions; adjusting the concentration, pH, or temperature of the suspension(s); and varying the direction, intensity or duration of the electric fields.
    Type: Application
    Filed: March 21, 2017
    Publication date: April 4, 2019
    Applicant: The Trustees of Princeton University
    Inventors: Ilhan A. AKSAY, Valerie ALAIN-RIZZO, Michael BOZLAR, David J. BOZYM, Daniel M. DABBS, Nicholas SZAMRETA, Cem B. USTUNDAG
  • Publication number: 20110287241
    Abstract: Graphene tapes made by forming a film comprising graphene sheets and at least one polymeric binder and heating the film to decompose the polymer. The tapes may be used as electrodes.
    Type: Application
    Filed: November 18, 2010
    Publication date: November 24, 2011
    Applicants: VORBECK MATERIALS CORP., THE TRUSTEES OF PRINCETON UNIVERSITY
    Inventors: Sibel Korkut, David L. Milius, Joseph D. Roy-Mayhew, Daniel M. Dabbs, Ilhan A. Aksay
  • Patent number: 6638885
    Abstract: A mesoporous ceramic material is provided having a pore size diameter in the range of about 10-100 nanometers produced by templating with a ceramic precursor a lyotropic liquid crystalline L3 phase consisting of a three-dimensional, random, nonperiodic network packing of a multiple connected continuous membrane. A preferred process for producing the inesoporous ceramic material includes producing a template of a lyotropic liquid crystalline L3 phase by mixing a surfactant, a co-surfactant and hydrochloric acid, coating the template with an inorganic ceramic precursor by adding to the L3 phase tetramethoxysilane (TMOS) or tetraethoxysilane (TEOS) and then converting the coated template to a ceramic by removing any remaining liquids.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: October 28, 2003
    Assignee: The Trustees of Princeton University
    Inventors: Kathryn M. McGrath, Daniel M. Dabbs, Ilhan A. Aksay, Sol M. Gruner
  • Patent number: 5135691
    Abstract: Ultra smooth ceramic materials are prepared by the low temperature sintering of a ceramic body that has been infiltrated prior to sintering with an inorganic polymer. The infiltration allows for a decrease in the sintering temperature which translates into a smoother, stronger ceramic material.
    Type: Grant
    Filed: October 16, 1987
    Date of Patent: August 4, 1992
    Assignee: The Washington Technology Centre
    Inventors: Masaaki Hama, Daniel M. Dabbs, Ilhan A. Aksay