Patents by Inventor Koki Shoho

Koki Shoho 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).

  • Solubilizer and external preparations containing the same
    Patent number: 5725874
    Abstract: Percutaneously absorbable preparations which comprise, by weight, 0.001 to 20%, preferably 0.1 to 20%, of 3-l-menthoxy-propane-1,2-diol as a solubilizer for a drug and 0.001 to 20%, preferably 0.5 to 10%, of the drug as two essential ingredients, the balance being other ingredients as adjuvants selected from water-soluble polymers, monohydric alcohols, polyhydric alcohols, rosin esters, water, fatty acid esters, hydrocarbons, softening agents, emulsifying agents. The preparations are in the forms of poultice, plasters, ointments, gels, creams, gel-like creams, lotions, reserver patches, liniments, aerosols and may be used in packs.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: March 10, 1998
    Assignee: Hisamitsu Pharmaceutical Co., Inc.
    Inventors: Hideshi Oda, Tetsuro Tateishi, Akira Nakagawa, Munehiko Hirano, Koki Shoho