Patents Assigned to Alcan Chemicals Limited
  • Resin-based artificial marble compositions
    Patent number: 5324757
    Abstract: A resin-based composition for casting artificial marble has excellent resistance to hot water. The composition includes an unsaturated polyester resin and a gibbsite-type aluminum hydroxide which has been surface-treated with an ethylenically unsaturated silane coupling agent.
    Type: Grant
    Filed: November 27, 1992
    Date of Patent: June 28, 1994
    Assignee: Alcan Chemicals Limited
    Inventors: Jun Ohkawa, deceased, Toshihiro Matsuba, Masashi Ishizaki