Patents Assigned to Chebigen, Inc.
  • Patent number: 7030265
    Abstract: The present invention relates to novel retinol derivatives, the methods of preparation and the uses thereof. According to the present invention, retinol derivatives comprise carboester linkage between di-, tri-, polypeptide having functional group of COOH and retinol. Retinol derivatives in the present invention comprise carboester linkage between amino acid having functional group of di-COOH and retinol. Retinol derivatives comprise carboester linkage between retinol and the compounds having the function group of COOH and multiple double bonds on carbon chain. Retinol derivatives in the present invention comprise carboester linkage between retinol and the compounds having the functional group of di-COOH and one double bond. Retinol derivatives in the present invention comprise ether linkage between the compounds with OH functional group and retinol.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: April 18, 2006
    Assignee: Chebigen, Inc.
    Inventors: Hong-Sig Sin, Si-Ho Park, Young-Soy Rho, Soo-Jong Um, Youn-Ja Kwon, Myoung-Soon Park, Hye-Sook Han, Min-Sook Jung, So-Mi Kim-Cho, Dong-Myong Kim, Deok-kun Oh, Jong-Sup Park