Patents Assigned to Collins Ink Corporation
  • Radiation curable inks
    Patent number: 7977402
    Abstract: Radiation curable ink compositions for impulse printheads are described. The compositions include a photoinitiator system, containing both a photocation polymerization initiator and a free-radical photoinitiator, an acrylate ester of a carboxylic acid ester, and at least one radiation curable material.
    Type: Grant
    Filed: October 10, 2007
    Date of Patent: July 12, 2011
    Assignee: Collins Ink Corporation
    Inventors: Sudhakar Madhusoodhanan, Devdatt S. Nagvekar
  • Radiation curable and jettable ink compositions
    Patent number: 7893127
    Abstract: Radiation curable and jettable ink compositions comprise ethylenically unsaturated oligomer and an ethylenically unsaturated monofunctional monomer. The compositions may optionally include additional ethylenically unsaturated polyfunctional component and/or chain transfer agent. The compositions have a viscosity at 25° C. of not greater than about 70 cPs and are radiation curable to form a cured ink having an elongation of at least 150%.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: February 22, 2011
    Assignee: Collins Ink Corporation
    Inventors: Devdatt S. Nagvekar, Matthew M. Ellison
  • 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