Patents Assigned to Tako Chemi-Tech Inc.
  • Patent number: 5945051
    Abstract: A process for producing a porous body of tourmaline includes the step of sintering a mixture of fine powder of tourmaline and fine powder of polyethylene or fine powder of polypropylene.
    Type: Grant
    Filed: January 15, 1998
    Date of Patent: August 31, 1999
    Assignee: Tako Chemi-Tech Inc.
    Inventor: Takaaki Asahara