Patents by Inventor James K. Whitehead

James K. Whitehead 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: 5897693
    Abstract: A free-flowing powder fountain solution concentrate for use in lithographic printing is provided which comprises at least one of a solid ammonium or alkali metal phosphate, a solid polysaccharide, and a preservative The powder concentrate's components have uniformly high water dissolution rate as a blend, producing liquid concentrates in excess of 0.7 lbs/gallon of water for ease of use without the need for constant recirculation during storage. A process for preparing a liquid fountain solution concentrate in excess of 0.7 lbs/gallon of water is also provided whereby a premeasured quantity of the powder concentrate is packaged in a moisture proof package to preserve the powder's free flowability prior to use, and prevent exposure to irritating chemical dust during use.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: April 27, 1999
    Assignee: Fuji Hunt Photographic Chemicals, Inc.
    Inventor: James K. Whitehead