Patents Assigned to Dorikamu Kabushiki Kaisha
  • Patent number: 6509294
    Abstract: Provided is bamboo charcoal-mixed composition 6 having an increased adsorbability in comparison with bamboo charcoal by dispersing at least bamboo charcoal powder 8 and tourmaline powder 10 into binder 14. Also provided is carrier 2 having reodorizing and antibacterial effects by holding bamboo charcoal-mixed composition 6 on base material 4 such as nonwoven fabric and pulp. Bamboo charcoal-mixed composition 6 and carrier 2 are used for various purposes such as food preservation, deodorization, antibacteria and absorption of volatile components included in building materials.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: January 21, 2003
    Assignee: Dorikamu Kabushiki Kaisha
    Inventor: Hiroaki Tatsumi