Patents by Inventor Masaaki So

Masaaki So 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).

  • One-pack chloroprene adhesive
    Patent number: 5252668
    Abstract: One-pack chloroprene adhesive having excellent adhesion and excellent heat resistance, particularly excellent heat aging resistance, which comprises a chloroprene rubber modified with an aminosilane, a petroleum resin as a tackifier resin and an organic solvent, which is useful for adhering and laminating various products such as metallic materials, woven fabrics, fiber products, wooden products, leather products, plastic materials, etc.
    Type: Grant
    Filed: May 30, 1989
    Date of Patent: October 12, 1993
    Assignee: Sunstar Giken Kabushiki Kaisha
    Inventors: Masahito Mori, Masaaki So
  • Bonding agent and resin composition
    Patent number: 4791214
    Abstract: Improved bonding agent comprises a reaction product or mixture of an epoxyalkylalkoxysilane and a polyamine, and a resin composition comprising as the main ingredient conventional synthetic resin or synthetic rubber and the bonding agent as set forth above, which has excellent adhesion, particularly durability of adhesion, and is useful as an adhesive or a paint.
    Type: Grant
    Filed: July 16, 1986
    Date of Patent: December 13, 1988
    Assignee: Sunstar Giken Kabushiki Kaisha
    Inventors: Masahito Mori, Masaaki So, Hirohide Tomoyasu