Patents Assigned to Kanebo Ltd./Kanto Chemical Co.
  • Polymer article having an antibacterial property containing zeolite particles therein and the processes for producing same
    Patent number: 4775585
    Abstract: A polymer article containing zeolite particles on which metal ion having a bactericidal property, e.g. Ag, Cu or Zn, is provided by an ion exchange reaction shows an excellent bactericidal effect and durability of the effect, but no deterioration of physical properties of the polymer.The polymer article is produced by admixing zeolite particles previously provided with the metal ion with a polymer or by moulding a zeolite-containing polymer into an article and then treating the article with a metal ion solution.
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: October 4, 1988
    Assignee: Kanebo Ltd./Kanto Chemical Co.
    Inventors: Zenji Hagiwara, Shigetaka Hoshino, Hiroo Ishino, Saburo Nohara, Kenichi Tagawa, Keio Yamanaka