Patents Assigned to Naigai Ink. Mgf. Co., Ltd.
  • Patent number: 4339143
    Abstract: This invention provides a pressure-sensitive recording material in which two color-forming components capable of forming a colored substance upon reaction with each other are formed on the surfaces of separate supports, for example paper sheets, as a transferable coated layer and a receptive coated layer respectively, said transferable coated layer being a layer of a hot-melt type coating containing one color-forming component, and said receptive coated layer being a layer having absorbent micropores and composed of microcapsules containing the other color-forming component, a fine powder and a binder. By stacking a plurality of such pressure-sensitive recording materials, they can be used as a pressure-sensitive recording business form.
    Type: Grant
    Filed: August 18, 1980
    Date of Patent: July 13, 1982
    Assignees: Mishima Paper Co., Ltd., Naigai Ink. Mgf. Co., Ltd.
    Inventors: Isamu Yoshino, Yasohachi Takahashi, Osamu Fujii