Patents by Inventor David Michael Glenn

David Michael Glenn 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).

  • Aqueous dispersion of a particulate solid having a hydrophobic surface and films produced thereby
    Patent number: 6060521
    Abstract: Aqueous dispersion of a particulate solid containing a low boiling organic liquid in which the particulate solid has a hydrophobic outer surface which is suitable for applying to a substrate to form a continuous hydrophobic film thereon.
    Type: Grant
    Filed: October 29, 1998
    Date of Patent: May 9, 2000
    Assignee: Engelhard Corporation United States Department of Agriculture
    Inventors: Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn
  • Method for protecting surfaces from arthropod infestation
    Patent number: 6027740
    Abstract: Disclosed is a method for protecting surfaces from arthropod infestation which involves treating the surface with an effective amount of finely divided calcined kaolins, hydrophobic calcined kaolins, hydrous kaolins, hydrophobic hydrous kaolins, hydrophobic calcium carbonates, calcium carbonates or mixtures thereof.
    Type: Grant
    Filed: November 18, 1997
    Date of Patent: February 22, 2000
    Assignee: Engelhard Corporation
    Inventors: Gary J. Puterka, Dennis G. Sekutowski, David Michael Glenn
  • Aqueous dispersion of a particulate solid having a hydrophobic outer surface and films produced thereby
    Patent number: 5908708
    Abstract: Aqueous dispersion of a particulate solid containing a low boiling organic liquid in which the particulate solid has a hydrophobic outer surface which is suitable for applying to a substrate to form a continuous hydrophobic film thereon.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: June 1, 1999
    Assignees: Engelhard Corporation, The United States of America as represented by the Secretary of Agriculture
    Inventors: Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn