Patents by Inventor Juan Ayalia-Esquilin

Juan Ayalia-Esquilin 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).

  • Ink composition
    Patent number: 5421868
    Abstract: The present invention relates to an ink composition for ink jet printers comprising an amorphous bis amide, a colorant and a solvent.
    Type: Grant
    Filed: December 28, 1993
    Date of Patent: June 6, 1995
    Assignees: International Business Machines Corporation, Lexmark Corporation
    Inventors: Juan Ayalia-Esquilin, Ying-Ying Cheng, Arthur F. Diaz, Paul L. Gendler, Thomas E. Karis