Patents Assigned to Tobuchemicals, Inc.
  • Patent number: 5624980
    Abstract: The present invention provides a thermoplastic cement composition, characterized in that the composition can be easily processed thermoplastically during molding and that when the cement component constituting the composition is hardened by the absorption of water, the composition loses its thermoplasticity to give a product having excellent heat resistance and other properties.The thermoplastic cement composition comprises 100 parts by weight of a thermoplastic, 50 to 600 parts by weight of a hydraulic cement and/or an air-hardening cement and 0.1 to 20 parts by weight of a hydrophilic substance.
    Type: Grant
    Filed: March 24, 1995
    Date of Patent: April 29, 1997
    Assignees: Tobuchemicals, Inc., Mitsui & Co., Ltd.
    Inventor: Shigeji Kobori