Patents by Inventor Bo Sub Lee

Bo Sub Lee 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).

  • Ceramide-like compounds and a method for preparation thereof, and a cosmetic composition containing the same
    Patent number: 6060612
    Abstract: Disclosed herein is a ceramide-like compound having properties of the natural ceramides, and a method for producing the same, and a cosmetic composition containing the same as a active ingredient.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: May 9, 2000
    Assignee: Pacific Corporation
    Inventors: Jong Eon Hong, Myeung Su Ku, Bo Sub Lee, Young Hun Byon, Duk Hee Kim, Sang Rhin Lee, Ok Sob Lee, Hae Kwang Lee, Jong Ho Park, Ki Wha Lee, Ki Tack Nam, Jong Il Kim, Hyun Jun Kim, Hey Jin Jung
  • Method for preparing 3-aminopropane phosphoric acid
    Patent number: 5723645
    Abstract: Disclosed herein is a method for preparing 3-aminopropane phosphoric acid represented by the formula (I), comprising the steps of (a) reacting 3-amino-1-propanoi with phosphorus oxychloride at a low temperature, and (b) hydrolyzing the product of the step (a) in the presence of an acidic catalyst, and a cosmetic composition containing 3-aminopropanic phosphoric acid or its salts as an active ingredient.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: March 3, 1998
    Assignee: Pacific Corporation
    Inventors: Ok Sub Lee, Young Hun Byon, Bo Sub Lee, Jong Eon Hong, Jae Suk Ko, Yun Ki Cho, Ho Lee