Patents by Inventor Mary Lynn Brown

Mary Lynn Brown 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).

  • Abrasion-resistant ink compositions and methods of use
    Patent number: 6905732
    Abstract: This invention relates to ink compositions that includes a stable nonpolyethylene-containing aqueous dispersion of pigment and particles of a urethane polymer Preferably the composition further includes a cross-linker capable of cross-linking the urethane polymer. The compositions are useful for printing on flexible or elastomeric substrates. These ink compositions demonstrate increase durability, in particular abrasion resistance, abrasion resistance during stretch and water resistance.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: June 14, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Wayne K. Dunshee, Mary Lynn Brown