Patents by Inventor Daniel W. Cheney

Daniel W. Cheney 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).

  • Wood-based material insulated for combustion resistance
    Patent number: 11135813
    Abstract: A fire retardant article has a wood-based material with a polyisocyanurate foam article attached thereto, where the polyisocyanurate foam article covers 90% or more of the exposed portion of the wood-based material, has a thickness greater than 1.8 centimeters, a foam core having a density of 28-128 kg/m3, a trimer concentration characterized by at least one of (i) a trimer level in a range of 12-25 weight-percent and (ii) a molar ratio of trimer to sum of urethane and urea in a range of 1-8, a phosphorous concentration of at least 0.3 wt %, a combined concentration of phosphorous and bromine of at least 0.5 wt %, and a vapor permeable and non-combustible facer on at least one primary surface of the foam core.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: October 5, 2021
    Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US, LLC
    Inventors: Gregory T. Stewart, Matthew J. Kalinowski, Kshitish A. Patankar, Dakai Ren, Steven P. Crain, Ernest J. Herst, Daniel W. Cheney, Jeffrey K Olson, Tyler G. Congleton
  • WOOD-BASED MATERIAL INSULATED FOR COMBUSTION RESISTANCE
    Publication number: 20200189241
    Abstract: A fire retardant article has a wood-based material with a polyisocyanurate foam article attached thereto, where the polyisocyanurate foam article covers 90% or more of the exposed portion of the wood-based material, has a thickness greater than 1.8 centimeters, a foam core having a density of 28-128 kg/m3, a trimer concentration characterized by at least one of (i) a trimer level in a range of 12-25 weight-percent and (ii) a molar ratio of trimer to sum of urethane and urea in a range of 1-8, a phosphorous concentration of at least 0.3 wt %, a combined concentration of phosphorous and bromine of at least 0.5 wt %, and a vapor permeable and non-combustible facer on at least one primary surface of the foam core.
    Type: Application
    Filed: July 31, 2017
    Publication date: June 18, 2020
    Inventors: Gregory T. Stewart, Matthew J. Kalinowski, Kshitish A. Patankar, Dakai Ren, Steven P. Crain, Ernest J. Herst, Daniel W. Cheney, Jeffrey K Olson, Tyler G. Congleton