Patents Examined by Bruce H. Ress
  • Patent number: 4707406
    Abstract: A thermal transfer recording medium comprising (i) a support, (ii) a heat-fusible colorant layer and (iii) adhesion layer between said support and said colorant layer; said adhesion layer containing at least one resin selected from the group (A) consisting of a polyurethane resin, a phenoxy resin, a polyester resin and a polycarbonate resin, and at least one copolymer selected from the group (B) consisting of a vinyl acetate copolymer and an acrylate copolymer. According to the medium of this invention, adhesive force between the support and the colorant layer can be consolidated and thus good pattern printing can be obtained without film peel-off for a large number of times even when applied power may be increased.
    Type: Grant
    Filed: December 31, 1985
    Date of Patent: November 17, 1987
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Yoshihiro Inaba, Kunihiro Koshizuka, Tatsuichi Maehashi, Takao Abe