Patents by Inventor Munetaka Hattori

Munetaka Hattori 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).

  • Coating agents for solid medicaments
    Patent number: 4258179
    Abstract: A novel coating agent for solid medicaments containing a hydrogel-like substance of a water-insoluble hydroxypropyl cellulose having 5-16% by weight of a hydroxypropoxy group or the dry powder of a hydrogel-like substance. By coating solid medicaments with the coating agent, solid medicaments having high impact resistance and showing very less aging can be provided advantageously in industry.
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: March 24, 1981
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Hiroitsu Kawata, Tadayoshi Ohmura, Hiroyoshi Shiozawa, Munetaka Hattori