Patents Assigned to Canon Kabushiki Kaisha & Raito Kogyo Co., Ltd.
  • Process for soil remediation and apparatus used therefor
    Patent number: 5906932
    Abstract: A soil remedying process for the soil contaminated with a volatile pollutant, which comprises the steps of forming in a probe a remediation site containing a microorganism which can degrade the volatile pollutant, introducing the volatile pollutant into the remediation site in the probe, and degrading the volatile pollutant by the microorganism.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: May 25, 1999
    Assignee: Canon Kabushiki Kaisha & Raito Kogyo Co., Ltd.
    Inventors: Akira Kuriyama, Etsuko Sugawa, Yoshiyuki Touge, Masahiro Kawaguchi, Masatoshi Iio, Yuri Senshu, Akira Watanabe