Patents by Inventor Kiyoko Sugino

Kiyoko Sugino 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).

  • Amide derivatives and external skin or hair care preparations
    Patent number: 5863945
    Abstract: This invention relates to amide derivatives represented by the following formula (1), amide derivative synthesis intermediates represented by the following formula (2), (3) or (4), and external skin care preparations, cosmetic hair care formulations and bath medicines containing the amide derivatives (1): ##STR1## wherein R.sup.1 and R.sup.1a are, for example, tetradecyl or hexadecyl, R.sup.2 is, for example, tridecyl or pentadecyl, R.sup.3 is, for example, ethylene or trimethylene, R.sup.3a is, for example, trimethylene, and R.sup.4, R.sup.4a and R.sup.4b are, for example, methoxy or ethoxy. When added to external skin care preparations, bath medicines and cosmetic hair care formulations, the amide derivatives (1) exhibit advantageous effects such as skin-roughness preventing/curing effects and hair touch-feeling improving effects.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: January 26, 1999
    Assignee: Kao Corporation
    Inventors: Koichi Murayama, Masahide Hoshino, Hiroshi Kusuoku, Minoru Nagai, Kiyoko Sugino