Patents by Inventor Akihito Kawaide

Akihito Kawaide 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).

  • Antimicrobial latex composition
    Patent number: 4902503
    Abstract: A first antimicrobial latex composition comprising a homogeneous blend of a natural rubber latex or a synthetic polymer latex and protein silver and a second antimicrobial latex composition comprising a homogeneous blend of a cationic natural rubber latex or a cationic synthetic polymer latex and a water-soluble silver compound, wherein each antimicrobial latex composition exhibits excellent long term stability during storage and can be readily prepared.
    Type: Grant
    Filed: November 23, 1988
    Date of Patent: February 20, 1990
    Assignee: Unitika Ltd.
    Inventors: Yoshihiro Umemura, Yasuhiko Ozaki, Akihito Kawaide