The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 2007
Filed:
Aug. 26, 2004
Ho-sik Rho, Suwon-si, KR;
Heung-soo Baek, Seoul, KR;
Su-jong Kim, Yongin-si, KR;
Su-nam Kim, Suwon-si, KR;
Byung-geun Chae, Seoul, KR;
Byoung-seok Lee, Suwon-si, KR;
Bae-hwan Kim, Suwon-si, KR;
Gyu-ho Choi, Yongin-si, KR;
Eui-dong Son, Suwon-si, KR;
Hae-kwang Lee, Yongin-si, KR;
Hye-won Lee, Yongin-si, KR;
Jun-cheol Cho, Suwon-si, KR;
Duck-hee Kim, Seoul, KR;
Ih-seop Chang, Yongin-si, KR;
Ok-sub Lee, Yongin-si, KR;
Ho-Sik Rho, Suwon-si, KR;
Heung-Soo Baek, Seoul, KR;
Su-Jong Kim, Yongin-si, KR;
Su-Nam Kim, Suwon-si, KR;
Byung-Geun Chae, Seoul, KR;
Byoung-Seok Lee, Suwon-si, KR;
Bae-Hwan Kim, Suwon-si, KR;
Gyu-Ho Choi, Yongin-si, KR;
Eui-Dong Son, Suwon-si, KR;
Hae-Kwang Lee, Yongin-si, KR;
Hye-Won Lee, Yongin-si, KR;
Jun-Cheol Cho, Suwon-si, KR;
Duck-Hee Kim, Seoul, KR;
Ih-Seop Chang, Yongin-si, KR;
Ok-Sub Lee, Yongin-si, KR;
Amorepacific Corporation, Seoul, KR;
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.