Patents Assigned to KOKIGUMI CO., LTD
  • Method for detoxifying asbestos
    Patent number: 10729926
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid, N-methyl-2-pyrrolidone and a fluoride; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: August 4, 2020
    Assignees: KOKIGUMI CO., LTD., NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu Myoga, Koichi Takahashi, Kazuhiro Iizuka, Yuhei Matsubara, Toshiyuki Tanaka, Hisaki Okamoto
  • Method for detoxifying asbestos
    Patent number: 10722742
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid and N-methyl-2-pyrrolidone; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: July 28, 2020
    Assignees: KOKIGUMI CO., LTD, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu Myoga, Koichi Takahashi, Kazuhiro Iizuka, Yuhei Matsubara, Toshiyuki Tanaka, Hisaki Okamoto
  • METHOD FOR DETOXIFYING ASBESTOS, AND TREATMENT AGENT USED IN THE METHOD
    Publication number: 20190374805
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid and N-methyl-2-pyrrolidone; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Application
    Filed: July 6, 2018
    Publication date: December 12, 2019
    Applicants: KOKIGUMI CO., LTD, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu MYOGA, Koichi TAKAHASHI, Kazuhiro IIZUKA, Yuhei MATSUBARA, Toshiyuki TANAKA, Hisaki OKAMOTO
  • METHOD FOR DETOXIFYING ASBESTOS, AND TREATMENT AGENT USED IN THE METHOD
    Publication number: 20190358480
    Abstract: The method for detoxifying asbestos disclosed here includes: preparing an asbestos-containing substance that contains at least one type of asbestos; preparing an asbestos treatment agent that contains a mineral acid, N-methyl-2-pyrrolidone and a fluoride; and bringing the asbestos-containing substance into contact with the asbestos treatment agent so as to detoxify asbestos in the asbestos-containing substance. Due to this configuration, asbestos in the asbestos-containing substance can be favorably detoxified.
    Type: Application
    Filed: July 6, 2018
    Publication date: November 28, 2019
    Applicants: KOKIGUMI CO., LTD, KOKIGUMI CO., LTD, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY, NATIONAL UNIVERSITY CORPORATION TOTTORI UNIVERSITY
    Inventors: Toshimitsu MYOGA, Koichi TAKAHASHI, Kazuhiro IIZUKA, Yuhei MATSUBARA, Toshiyuki TANAKA, Hisaki OKAMOTO