Patents by Inventor John Hearson

John Hearson 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: 6418850
    Abstract: An improved hydrophilized substrate for planographic printing is disclosed. The substrate contains a support and a hydrophilic layer over the support. The hydrophilic layer contains titanium dioxide (titania) particles. In one embodiment, the hydrophilic layer contains a mixture of coated and uncoated titanium dioxide particles, and, optionally, alumina particles. A method for preparation of the substrate and a printing member comprising the substrate are also disclosed.
    Type: Grant
    Filed: July 11, 2001
    Date of Patent: July 16, 2002
    Assignee: Kodak Polychrome Graphics LLC
    Inventors: Joanne Ray, Greg Turner, John Hearson, Denise Howard
  • Publication number: 20020005130
    Abstract: An improved hydrophilized substrate for planographic printing is disclosed. The substrate contains a support and a hydrophilic layer over the support. The hydrophilic layer contains titanium dioxide (titania) particles. In one embodiment, the hydrophilic layer contains a mixture of coated and uncoated titanium dioxide particles, and, optionally, alumina particles. A method for preparation of the substrate and a printing member comprising the substrate are also disclosed.
    Type: Application
    Filed: July 11, 2001
    Publication date: January 17, 2002
    Inventors: Joanne Ray, Greg Turner, John Hearson, Denise Howard
  • Patent number: 6293197
    Abstract: An improved hydrophilized substrate for planographic printing is disclosed. The substrate contains a support and a hydrophilic layer over the support. The hydrophilic layer contains titanium dioxide (titania) particles. In one embodiment, the hydrophilic layer contains a mixture of coated and uncoated titanium dioxide particles, and, optionally, alumina particles. A method for preparation of the substrate and a printing member comprising the substrate are also disclosed.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: September 25, 2001
    Assignee: Kodak Polychrome Graphics
    Inventors: Joanne Ray, Greg Turner, John Hearson, Denise Howard