Patents by Inventor Ronald G. Case

Ronald G. Case 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: 5695550
    Abstract: The present invention is directed to a fountain solution for use in offset printing processes. The fountain solution is formed by diluting a fountain solution concentrate with water in a water to fountain solution concentrate ratio of between about 4:1 to about 8:1. The fountain solution concentrate comprises glycerin in an amount between about 2% to about 9% by volume, 2-butoxy-ethanol in an amount between about 4% to about 10% by volume, isopropyl alcohol in an amount between about 8% to about 35% by volume, water in an amount between about 54% to about 65% by volume and at least one compound selected from the group consisting of ethylene glycol and propylene glycol.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: December 9, 1997
    Assignee: Ink, Inc.
    Inventors: Alan L. Marx, David C. Marx, Ronald G. Case