Patents by Inventor Toshio Kurobe

Toshio Kurobe 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).

  • Stable, effervescent vaginal suppositories
    Patent number: 4853211
    Abstract: An effervescent vaginal suppository composition containing a stabilizer appropriately selected from the group consisting of anhydrous sodium sulfate, anhydrous silica gel, dried magnesium silicate, dried aluminum silicate, dried calcium carboxymethylcellulose, dried microcrystalline cellulose, dried starch and dried calcium phosphate or mixtures thereof, preferably in an amount of 0.1-20% based on the weight of said effervescent vaginal suppository composition. Shaped effervescent vaginal suppositories are produced therefrom.
    Type: Grant
    Filed: October 28, 1987
    Date of Patent: August 1, 1989
    Assignee: Eisai Co., Ltd.
    Inventors: Toshio Kurobe, Masayoshi Kasai, Masanori Kayano