(19)
(11) EP 2 138 172 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
24.02.2010 Bulletin 2010/08

(43) Date of publication:
30.12.2009 Bulletin 2009/53

(21) Application number: 08738680.1

(22) Date of filing: 19.03.2008
(51) International Patent Classification (IPC): 
A61K 31/11(2006.01)
A61K 31/4406(2006.01)
A61P 31/22(2006.01)
 A61K 31/352(2006.01)
A61K 36/00(2006.01)
(86) International application number:
PCT/JP2008/055087
(87) International publication number:
WO 2008/123102 (16.10.2008 Gazette 2008/42)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 19.03.2007 JP 2007071409

(71) Applicant: Tsuchida, Yuuzou
Tokyo 1420062 (JP)

(72) Inventors:
  • TSUCHIDA, Yuuzou
    Tokyo 142-0062 (JP)
  • WATANABE, Kunitomo
    Gifu-shi Gifu 502-0816 (JP)
  • KOKETSU, Mamoru
    Gifu-shi Gifu 502-0813 (JP)
  • MURAYAMA, Tsugiya
    Kahoku-gun Ishikawa 920-0274 (JP)
  • TSUCHIDA, Kotarou
    Tokyo 142-0062 (JP)
  • SAKURAI, Daisuke
    Tokyo 142-0062 (JP)
  • KAWABE, Mitsuo
    Kawaguchi-shi Saitama 334-0056 (JP)

(74) Representative: Müller-Boré & Partner Patentanwälte 
Grafinger Strasse 2
81671 München
81671 München (DE)

   


(54) ANTI-VIRAL AGENT


(57) Provided is an antiviral agent with high antiviral activities and low side effects (cytotoxicity). Specifically provided is an antiviral agent comprising as an effective component at least one member selected from the group consisting of 5,7,4'-trihydroxy-3',5'-dimethoxyflavone, 3-hydroxypyridine, p-hydroxybenzaldehyde and vanillin.