Patents by Inventor John Mark Longoria

John Mark Longoria 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).

  • Prevention of deposits on ceramics
    Patent number: 7377983
    Abstract: A method to prevent deposits on a ceramic surface comprising: (1) pretreating the surface by applying an aqueous solution containing from about 200 ppm to about 1000 ppm by weight of an amphoteric fluorosurfactant, and (2) periodically applying an aqueous maintenance solution comprising from about 1 ppm to about 200 ppm of at least one of an amphoteric or cationic fluorosurfactant or a mixture thereof, from about 5 ppm to about 100 ppm of a sequestering acid, and from about 2.5 ppm to about 200 ppm of a quaternary ammonium biocide compound, wherein all concentrations are by weight of aqueous solution is disclosed.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: May 27, 2008
    Assignee: The Clorox Company
    Inventors: Carl William Erkenbrecher, Jr., John Mark Longoria, Richard Alan Reynolds, Jennifer C. Julian, Malcolm DeLeo, Maria Garcia Ochomogo
  • Stain resistant compositions
    Patent number: 6271289
    Abstract: A composition providing stain resistance to stone, masonry and other surfaces is provided comprising a mixture of a fluoroalkyl phosphate and a fluoroacrylate polymer.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: August 7, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: John Mark Longoria, Michael Joseph Michalczyk, John J. Fitzgerald