Patents Assigned to Kuromatsu Corporation Co., Ltd.
  • Water setting paper
    Patent number: 4846932
    Abstract: Water setting paper (high water-absorbency material) comprised of pulp fiber, water-soluble resin and high wate-absorbency resin is produced in sheet form for use in urine containers or portable toilets. Water setting paper or the high water-absorbency sheet thus formed absorbs and solidifies the urine, allowing the urine to be disposed of easily, rapidly and hygienically.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: July 11, 1989
    Assignee: Kuromatsu Corporation Co., Ltd.
    Inventors: Takeshi Karita, Yoshiro Saito, Shunichiro Kuromatsu