Patents by Inventor Masayoshi Ozono

Masayoshi Ozono has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Micro-capsules and method of preparing same
    Patent number: 4588639
    Abstract: Micro-capsules are prepared by dispersing a composition comprising a hydrophobic acrylate or methacrylate monomer or oligomer capable of polymerization upon exposure to ultraviolet light, a photosensitizer, and a UV screening agent in water containing a dispersant to form a colloidal dispersion, and exposing the dispersion to UV light to cause the colloidal particles to cure only at their surface. The resulting microcapsules have a core of the uncured acrylate or methacrylate monomer or oligomer encapsulated with a wall layer of the cured acrylate or methacrylate.
    Type: Grant
    Filed: September 16, 1983
    Date of Patent: May 13, 1986
    Assignee: Three Bond Co., Ltd.
    Inventor: Masayoshi Ozono