Patents by Inventor Simone Wieczorek

Simone Wieczorek 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).

  • Inkjet ink composition
    Patent number: 7789955
    Abstract: A pigment-based ink composition including a colorant, a cyclic amide represented by the formula: wherein R is at least one of CH3, C2H5, C3H9, C4H9, C5H11, C6H13, C7H15, and C8H17, and together with the N atom to which it is attached forms a 5 member ring; an organic solvent; an amine; a biocide; first and second surfactants; and water. The ink is utilized in inkjet printing, it does not include resins or polymers, and it provides substantially permanent images on both porous and nonporous substrates.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: September 7, 2010
    Assignee: Collins Ink Corporation
    Inventors: Lawrence R. Gamblin, Stanley Nowacki, Brigette Senter, Simone Wieczorek