(19)
(11)EP 1 232 740 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
02.07.2003 Bulletin 2003/27

(43)Date of publication A2:
21.08.2002 Bulletin 2002/34

(21)Application number: 02003132.4

(22)Date of filing:  14.02.2002
(51)Int. Cl.7A61K 7/06
(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: 16.02.2001 JP 2001040351

(71)Applicant: KYOWA HAKKO KOGYO CO., LTD.
Chiyoda-ku, Tokyo 100-8185 (JP)

(72)Inventors:
  • Kamimura, Ayako, Tsukuba Research Laboratories
    Tsukuba-shi, Ibaraki 305-0841 (JP)
  • Takahashi, Tomoya, Tsukuba Research Laboratories
    Tsukuba-shi, Ibaraki 305-0841 (JP)
  • Mimura, Takashi, Head Office
    Chiyoda-ku, Tokyo 100-8185 (JP)
  • Honda, Shinkichi, Head Office
    Chiyoda-ku, Tokyo 100-8185 (JP)

(74)Representative: Casalonga, Axel et al
BUREAU D.A. CASALONGA - JOSSE Paul-Heyse-Strasse 33
80336 München
80336 München (DE)

  


(54)Hair-growing agent


(57) The present invention provides a hair-growing agent comprising, as an active ingredient, a phosphatidic acid represented by formula (I) : (wherein R1 represents alkyl, alkenyl, alkanoyl or alkenoyl; and when R1 represents alkyl or alkenyl, R2 represents alkyl, alkenyl, alkanoyl or alkenoyl, and when R1 represents alkanoyl or alkenoyl, R2 represents alkyl or alkenyl).