Patents by Inventor Heung-Soo Baek

Heung-Soo Baek 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).

  • Hydroxamic acid derivatives and the method for preparing thereof
    Patent number: 7282522
    Abstract: The present invention provides hydroxamic acid derivatives which have anti-aging efficacy and a method for preparation thereof. It is further provided skin-care external compositions for preventing skin aging, containing the hydroxamic acid derivatives represented by the formula (I) as an active ingredient.
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: October 16, 2007
    Assignee: Amorepacific Corporation
    Inventors: Ho-Sik Rho, Heung-Soo Baek, Su-Jong Kim, Su-Nam Kim, Byung-Geun Chae, Byoung-Seok Lee, Bae-Hwan Kim, Gyu-Ho Choi, Eui-Dong Son, Hae-Kwang Lee, Hye-Won Lee, Jun-Cheol Cho, Duck-Hee Kim, Ih-Seop Chang, Ok-Sub Lee
  • Hydroxamic acid derivatives and the method for preparing thereof
    Publication number: 20060252834
    Abstract: The present invention provides hydroxamic acid derivatives represented by the following formula (I), having anti-aging efficacy and a method for preparation thereof: wherein, R1 is herein, R5 and R6 each independently represents a hydrogen atom, a C1-C10 alkyl group or a C3-C6 cyclic alkyl group; R2 is CONH, NHCO, CONR7 or NR7CO, herein, R7 represents a C1-C10 alkyl group; R3 is —(CH)n—, herein, n=0 or 1; and R4 is a hydrogen atom or a C1-C10 alkyl group. Further, the present invention provides skin-care external compositions for preventing skin aging, containing said hydroxamic acid derivatives represented by the formula (I) as an active ingredient.
    Type: Application
    Filed: August 26, 2004
    Publication date: November 9, 2006
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Ho-Sik Rho, Heung-Soo Baek, Su-Jong Kim, Su-Nam Kim, Byung-Geun Chae, Byoung-Seok Lee, Bae-Hwan Kim, Gyu-Ho Choi, Eui-Dong Son, Hae-Kwang Lee, Hye-Won Lee, Jun-Cheol Cho, Duck-Hee Kim, Ih-Seop Chang, Ok-Sub Lee