Patents by Inventor David Grindon Cantrell

David Grindon Cantrell 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: 9023483
    Abstract: The present invention provides a method of protecting wood or other celiulosic material from decay by copper-tolerant fungi, and wood preservative formulations for use in the same. The wood preservative formulations comprise a biocidal metal compound, a 1,2,4-triazole and a didecyl quaternary ammonium cation. Didecyldimethyl quaternary ammonium compounds are particularly preferred.
    Type: Grant
    Filed: June 21, 2011
    Date of Patent: May 5, 2015
    Assignee: Arch Timber Protection Limited
    Inventors: Craig Andrew Mars, David Grindon Cantrell, Kevin Hughes, Andrew Stewart Hughes
  • Publication number: 20130209823
    Abstract: The present invention provides a method of protecting wood or other celiulosic material from decay by copper-tolerant fungi, and wood preservative formulations for use in the same. The wood preservative formulations comprise a biocidal metal compound, a 1,2,4-triazole and a didecyl quaternary ammonium cation. Didecyldimethyl quaternary ammonium compounds are particularly preferred.
    Type: Application
    Filed: June 21, 2011
    Publication date: August 15, 2013
    Applicant: ARCH TIMBER PROTECTION LIMITED
    Inventors: Craig Andrew Mars, David Grindon Cantrell, Kevin Hughes, Andrew Stewart Hughes