Patents by Inventor Mikiharu Okumura

Mikiharu Okumura 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).

  • Suspension of ascorbic acid in glycerin and process for production thereof
    Patent number: 8211472
    Abstract: A suspension of ascorbic acid in glycerol or in glycerol comprising diglycerol, in which the content of ascorbic acid is 13% by mass or greater, and further in which 8 to 12% by mass of the ascorbic acid is dissolved in glycerol or in glycerol comprising diglycerol, and the rest of ascorbic acid is precipitated in the form of microcrystals having a particle diameter of 25 ?m or smaller and is uniformly dispersed in the suspension. The suspension of ascorbic acid in glycerol is useful as a base material for cosmetics containing ascorbic acid which exhibits excellent feel in the use (spreadability and smooth feel on application to the skin).
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: July 3, 2012
    Assignee: Market Styles Co., Ltd.
    Inventors: Mikiharu Okumura, Takanori Ohta
  • SUSPENSION OF ASCORBIC ACID IN GLYCERIN AND PROCESS FOR PRODUCTION THEREOF
    Publication number: 20110008445
    Abstract: A suspension of ascorbic acid in glycerol or in glycerol comprising diglycerol, in which the content of ascorbic acid is 13% by mass or greater, and further in which 8 to 12% by mass of the ascorbic acid is dissolved in glycerol or in glycerol comprising diglycerol, and the rest of ascorbic acid is precipitated in the form of microcrystals having a particle diameter of 25 ?m or smaller and is uniformly dispersed in the suspension. The suspension of ascorbic acid in glycerol is useful as a base material for cosmetics containing ascorbic acid which exhibits excellent feel in the use (spreadability and smooth feel on application to the skin).
    Type: Application
    Filed: October 18, 2007
    Publication date: January 13, 2011
    Inventors: Mikiharu Okumura, Takanori Ohta