(19)
(11) EP 1 372 594 A1

(12)

(43) Date of publication:
02.01.2004 Bulletin 2004/01

(21) Application number: 01928230.0

(22) Date of filing: 02.05.2001
(51) International Patent Classification (IPC)7A61K 7/40
(86) International application number:
PCT/KR2001/000721
(87) International publication number:
WO 2002/083092 (24.10.2002 Gazette 2002/43)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 09.03.2001 KR 2001012231

(71) Applicant: Amorepacific Corporation
Seoul 140-777 (KR)

(72) Inventors:
  • LEE, Ok Sob
    Anyang-shi 430-042 (KR)
  • KIM, Duk Hee
    Seocho-ku,Seoul 137-030 (KR)
  • JANG, Yi Seop
    Kwanak-ku,Seoul 151-023 (KR)
  • MOON, Seong Joon
    Dongan-ku,Kyunggi-do,Anyang-shi (KR)
  • SHIM, Yeong Cheol
    Bundang,Kyunggi,Seongnamshi 463 (KR)
  • LEE, Young Ha
    Kyunggi-do,Suwon-shi 440-330 (KR)
  • PARK, Dong Soon
    Kyheung-up,Yongin-shi 449-900 (KR)
  • KIM, Han Kon
    Kyunggi-do,Suwon-shi 442-190 (KR)
  • KANG, Hak Hee
    Kyunggi-do,Sungnam-shi 463-500 (KR)
  • BAEK, Heung Soo
    Kumchun-ku,Seoul 153-809 (KR)
  • HWANG, Jae Sung
    Kyunggi-do,Suwon-si 442-725 (KR)

(74) Representative: Poulin, GĂ©rard 
BREVALEX3, rue du Docteur Lancereaux
75008 Paris
75008 Paris (FR)

   


(54) WATER-IN-STABLE KOJIC ACID DERIVATIVES AND METHOD FOR PREPARING THEREOF, AND WHITENING COSMETICS COMPOSITION CONTAINING THE SAME