Patents by Inventor Katsuhiko Shima

Katsuhiko Shima 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).

  • Cream Preparation
    Patent number: 4514386
    Abstract: An antiinflammatory cream preparation which comprises an antiinflammatory substance hardly soluble in water in a base composition at a concentration of 0.05 to 1.5% by weight based on the preparation, the base composition comprising a medium chain fatty acid triglyceride of which the fatty acid has 6 to 12 carbon atoms, carboxyvinyl polymer and purified water in a weight proportion of 1-25:0.3-3:75-99, and with an adjusted pH of 4 to 10. The cream preparation is excellent in the availability of the antiinflammatory substance contained therein and advantageously is low in stimulation and high in safety.
    Type: Grant
    Filed: December 6, 1983
    Date of Patent: April 30, 1985
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshiya Yamahira, Katsuhiko Shima, Chikako Matsusaka, Tetsuo Noguchi