Patents by Inventor In-sub Baik

In-sub Baik 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).

  • Pseudoceramides, and dermatologic external preparations containing the same
    Patent number: 6221371
    Abstract: The present invention relates to pseudoceramide derivatives represented by formula(I) or (II): R1—COCHR2CONR3R4  (I) R1—CH(OH)CHR2CONR3R4  (II) wherein, each of R1 and R2 represents linear or branched alkyl group or alkenyl group having 6˜22 carbon atoms; each of R3 and R4 represents hydrogen, methyl, ethyl, propyl, or linear or branched C2˜C6 alkyl group having one or more hydroxyl group(s), or monosaccharide, a process for preparing the same, and dermatologic external preparations containing the same. When the pseudoceramide derivatives according to the present invention are applied in an dermatologic external preparations the moisture-retaining property and resilience of skin and hair is enhanced such so that the derivatives are useful in protection of skin-aging. In addition, the derivatives are useful for inducing the formation of lipid layer on damaged skin and for preventing the inhibition of lipid synthesis.
    Type: Grant
    Filed: May 10, 1999
    Date of Patent: April 24, 2001
    Assignee: Aekyung Industrial Co., Inc.
    Inventors: In-sub Baik, Jong-gi Lee, Byeong-deog Park, Yoon Kim, Myung-jin Lee