Patents by Inventor Kiyotaka Tokuyama

Kiyotaka Tokuyama 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).

  • Liquid detergent compositions
    Patent number: 4239662
    Abstract: An improved liquid detergent composition having a markedly decreased tendency toward film formation on the liquid surface when exposed to open air, without loss in detergency and foaming power.This includes a magnesium .alpha.-olefinsulfonate, an alcohol-ethylene oxide addition product and magnesium sulfate, all in limited concentrations, the balance being an aqueous solvent and optional additives.
    Type: Grant
    Filed: February 15, 1979
    Date of Patent: December 16, 1980
    Assignee: The Lion Fat and Oil Co., Ltd.
    Inventors: Osamu Okumura, Takenobu Sakatani, Toshinobu Kashiwada, Kiyotaka Tokuyama