Patents by Inventor Sueko Kobayashi

Sueko Kobayashi 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).

  • Cosmetic composition
    Patent number: 6183759
    Abstract: An acylated peptide or a salt thereof obtainable by condensing a protein-derived peptide with a lanolin-derived non-hydroxyl fatty acid containing 30-45% by weight of iso-type fatty acid of the following formula (I), 30-50% by weight of anteiso-type fatty acid of the following formula (II), 10-30% by weight of normal type fatty acid of the following formula (III): CH3˜CH (CH3)—(CH2) n-COOH (n=6˜2 7)  (I) CH3CH2—CH (CH3)—(CH2)n-COOH (n=6˜2 6)  (II) CH3-(CH2) n-COOH (n=8˜2 8)  (III) and less than 10% by weight of hydroxyl fatty acid, the total amount of said iso-type fatty acid and said anteiso-type fatty acid being at least 60% by weight; and a cosmetic composition for hair or skin containing the acylated peptide or a salt thereof; and the cosmetic composition gives excellent moist feel and gloss and the like to hair and an excellent feeling on use, such as smoothness and moistness to skin.
    Type: Grant
    Filed: April 27, 1998
    Date of Patent: February 6, 2001
    Assignees: Nippon Fine Chemical Co., Ltd., Seiwa Kasei Co., Ltd.
    Inventors: Nobuaki Hattori, Masakazu Okumura, Masato Yoshioka, Sueko Kobayashi