Patents by Inventor Naoteru Ootani

Naoteru Ootani 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 composition containing succinic acid derivatives
    Patent number: 4486338
    Abstract: 0.2-5% by weight of a succinic acid derivative represented by the formula: ##STR1## is included in the compounding system of a liquid detergent composition containing an anionic surfactant and tertiary amine oxide in combination, but not containing an alkaline builder.Incorporation of such compound improves foamability, detergency and stability at low temperatures of a detergent composition.A liquid detergent composition according to the invention comprises the following ingredients (A), (B) and (C).(A): 10--40% by weight of anionic surface active agent.(B): 0.2--5% by weight of a tertiary amine oxide.(C): 0.2--5% by weight of a specific type of a succinic acid derivative.
    Type: Grant
    Filed: April 28, 1983
    Date of Patent: December 4, 1984
    Assignee: Kao Corporation
    Inventors: Naoteru Ootani, Takashi Ishii, Hiroshi Ikeda