Patents Assigned to HIROSHIMA METAL & MACHINERY CO., LTD.
  • Publication number: 20220287985
    Abstract: Provided is an organic nanoparticle production method comprising a step in which a mixture of beads having an average particle size at least 0.15 mm and no more than a value (mm) calculated by the formula 1.07?0.11×[outer peripheral speed of the stirring rotor (m/sec)] and a slurry containing organic particles is stirred by a stirring rotor rotating at an outer peripheral speed of 7 m/sec or less in a vessel of a wet bead mill.
    Type: Application
    Filed: August 14, 2020
    Publication date: September 15, 2022
    Applicant: HIROSHIMA METAL & MACHINERY CO., LTD
    Inventors: Yuya OCHII, Hironori TANAKA, Tetsuharu IBARAKI, Daisuke HIRATA
  • Publication number: 20220160634
    Abstract: A method for the production of the present disclosure comprises: a) a step of agitating a mixture containing a material to be ground, beads and a dispersion medium in a bead mill; and b) a step of adjusting the pH of the mixture. This method reduces a contamination caused by grinding process using a bead mill.
    Type: Application
    Filed: February 28, 2020
    Publication date: May 26, 2022
    Applicants: Shionogi & Co., Ltd., HIROSHIMA METAL & MACHINERY CO., LTD.
    Inventors: Hironori TANAKA, Yuya OCHII, Tetsuharu IBARAKI