Patents Examined by B. Shewaraged
  • Ink jet recording medium and method for its production
    Patent number: 6824843
    Abstract: An ink jet recording medium comprising a water-impermeable substrate, a first porous layer formed on the substrate, and a second porous layer formed on the first porous layer, wherein the psychometric lightness (L*) at a black solid printed portion with a black dye ink is at most 5.0.
    Type: Grant
    Filed: June 14, 2002
    Date of Patent: November 30, 2004
    Assignee: Asahi Glass Company, Limited
    Inventors: Masahiro Inoue, Hirokazu Wakabayashi