Patents by Inventor Mandai YAMADA

Mandai YAMADA 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 containing 3-O-alkyl-L-ascorbic acid or salt thereof
    Patent number: 10322078
    Abstract: The present invention provides a cosmetic composition containing (A) 3-O-alkyl-L-ascorbic acid wherein the alkyl group has 8-12 carbon atoms or a salt thereof, (B) one or more kinds of nonionic surfactants selected from the group consisting of polyoxyethylene polyoxypropylene alkyl ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene alkyl ether and polyoxyethylene alkenyl ether, and having an HLB value of 12.5-17, and (C) one or more kinds of oil agents selected from the group consisting of amino acid ester, dimer acid ester, hydroxy acid ester, alkyl glyceryl ether and alkenyl glyceryl ether, which is superior in solubilization stability, preservation stability and sense of use, and free of time-dependent development of an odor which poses a problem when in use.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: June 18, 2019
    Assignee: AJINOMOTO CO., INC.
    Inventor: Mandai Yamada
  • COSMETIC COMPOSITION CONTAINING 3-O-ALKYL-L-ASCORBIC ACID OR SALT THEREOF
    Publication number: 20170087078
    Abstract: The present invention provides a cosmetic composition containing (A) 3-O-alkyl-L-ascorbic acid wherein the alkyl group has 8-12 carbon atoms or a salt thereof, (B) one or more kinds of nonionic surfactants selected from the group consisting of polyoxyethylene polyoxypropylene alkyl ether, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene alkyl ether and polyoxyethylene alkenyl ether, and having an HLB value of 12.5-17, and (C) one or more kinds of oil agents selected from the group consisting of amino acid ester, dimer acid ester, hydroxy acid ester, alkyl glyceryl ether and alkenyl glyceryl ether, which is superior in solubilization stability, preservation stability and sense of use, and free of time-dependent development of an odor which poses a problem when in use.
    Type: Application
    Filed: December 9, 2016
    Publication date: March 30, 2017
    Applicant: AJINOMOTO CO., INC.
    Inventor: Mandai YAMADA