Patents by Inventor Stanislava N. Lipovac

Stanislava N. Lipovac 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: 4030417
    Abstract: A universal fountain solution formulation for lithographic printing is disclosed that is particularly useful in Dahlgren-type plate dampening systems. The fountain solution is prepared from two etch concentrates, the first (solution A) having as its primary ingredients a fatty acid material, a monovalent hydroxide and water, and the second (solution B) having as its primary ingredients gum arabic a monovalent iodide and water. Different amounts of the primary ingredients are mixed together to form the etch concentrates which are subsequently mixed together with water to produce the final fountain solution formulations.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: June 21, 1977
    Assignee: Westvaco Corporation
    Inventor: Stanislava N. Lipovac