Patents Assigned to Mitsubishi Paper Miils Ltd.
  • Patent number: 6921740
    Abstract: Disclosed are a novel electron-accepting compound which is a benzenesulfonamide derivative having a specific structure, a heat-sensitive recording material having a heat-sensitive recording layer containing the above electron-accepting compound, a heat-sensitive recording material having a heat-sensitive recording layer containing at least two specific benzenesulfonamide derivatives, a heat-sensitive recording material having a heat-sensitive recording layer containing a benzenesulfonamide derivative and a diphenylsulfone derivatives a heat-sensitive recording material having a heat-sensitive recording layer containing a specific benzenesulfonamide derivative and an ultraviolet absorbent or an aromatic isocyanate compound, and a heat-sensitive recording material having a substrate containing a recycled paper pulp or a non-wood pulp.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: July 26, 2005
    Assignee: Mitsubishi Paper Miils Ltd.
    Inventors: Shoji Hizatate, Hidetaka Tsukada, Takahisa Kato, Katsuyoshi Takagi