Patents Assigned to Mitsui Tomatsu Chemicals, Incorporated
  • Multi-shell emulsion particle
    Patent number: 5409776
    Abstract: A multi-shell emulsion particle of dry state structure having one or more of penetrating pore(s) connecting the surface layer of the particle with the interior of the particle and having a particle diameter of from 0.1 to 5.0.mu. preferably from 0.1 to 1.2.mu..
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: April 25, 1995
    Assignee: Mitsui Tomatsu Chemicals, Incorporated
    Inventors: Kousuke Someya, Akihiro Yamazaki, Futoshi Hoshino, Takeshi Yanagihara