Patents by Inventor Jae-Taek Han

Jae-Taek Han 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).

  • Antioxidant composition and method of preparation thereof
    Patent number: 6858235
    Abstract: The present invention relates to an antioxidant composition and a method of preparation thereof. In detail, the present invention relates to an antioxidant composition containing procyanidin B3 obtained from Rosa multiflora, and a preparation method for the antioxidant composition, comprising extraction of the underground part of Rosa multiflora with an organic solvent, followed by fractionation and purification of the extract by chromatography. The antioxidant composition of the present invention can be effectively used in treatment or prevention of various diseases due to oxidation by reactive oxygen species, maintenance of quality of food, and prevention of skin damages due to oxidation.
    Type: Grant
    Filed: November 7, 2002
    Date of Patent: February 22, 2005
    Assignee: Eromlife Co. Ltd.
    Inventors: Mi-Hyoun Park, Nam-In Baek, Jae-Taek Han, Chang-Won Choi
  • Antioxidant composition and method of preparation thereof
    Publication number: 20040028758
    Abstract: The present invention relates to an antioxidant composition and a method of preparation thereof. In detail, the present invention relates to an antioxidant composition containing procyanidin B3 obtained from Rosa multiflora, and a preparation method for the antioxidant composition, comprising extraction of the underground part of Rosa multiflora with an organic solvent, followed by fractionation and purification of the extract by chromatography. The antioxidant composition of the present invention can be effectively used in treatment or prevention of various diseases due to oxidation by reactive oxygen species, maintenance of quality of food, and prevention of skin damages due to oxidation.
    Type: Application
    Filed: November 7, 2002
    Publication date: February 12, 2004
    Applicant: EROMLIFE CO., LTD.
    Inventors: Mi-Hyoun Park, Nam-In Baek, Jae-Taek Han, Chang-Won Choi