Patents Assigned to Taguchi Technical Laboratory Co., Ltd.
  • Method of hardening soil and hardened soil
    Patent number: 6536995
    Abstract: A method for hardening soil and soil hardened with the method. The soil is mixed with cement and with a soil hardening agent including at least eight of the cations Ca++, Na−, Mg++, K+, NH4+, Ba++, Fe3+, Al3+, Mn4+, Co++ and Ti4+, at least two of the anions Cl−, SO4−− and PO43− and at least one organic acid.
    Type: Grant
    Filed: April 16, 2001
    Date of Patent: March 25, 2003
    Assignee: Taguchi Technical Laboratory Co., Ltd.
    Inventors: Yoshihiro Taki, Kiyokazu Sasaki, Shuji Yukitani