Patents by Inventor Noriko Otsuka

Noriko Otsuka 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).

  • Patent number: 5344650
    Abstract: An emulsion-type aqueous cosmetic composition comprising:(i) a mixture of oil and fat, wherein said fat is present in at least 70 wt. % of said mixture, and at least 50 wt. % of said fat is at least one lipid selected from the group consisting of higher fatty acids, cholesterol, cholesterol fatty acid esters, ceramides, sugar ceramides, and compounds having the following formula (I): ##STR1## wherein R.sup.1 is a linear or branched, saturated or unsaturated hydrocarbon group having 10 to 26 carbon atoms, and R.sup.2 is a linear or branched, saturated or unsaturated hydrocarbon group having 9 to 25 carbon atoms,(ii) an aqueous medium, and(iii) an emulsifying agent,said mixture of oil and fat being dispersed in said aqueous medium with said emulsifying agent.
    Type: Grant
    Filed: February 24, 1993
    Date of Patent: September 6, 1994
    Assignee: Kao Corporation
    Inventors: Noriko Otsuka, Ichiro Tokimitsu