(19)
(11) EP 0 128 186 A1

(12)

(43) Date of publication:
19.12.1984 Bulletin 1984/51

(21) Application number: 84900138.0

(22) Date of filing: 09.12.1983
(51) International Patent Classification (IPC): 
A61K 31/ 565( . )
A61K 9/ 51( . )
A61K 47/ 30( . )
A61P 35/ 00( . )
 A61K 9/ 16( . )
A61K 47/ 28( . )
A61K 47/ 48( . )
C07J 51/ 00( . )
(86) International application number:
PCT/SE1983/000440
(87) International publication number:
WO 1984/002270 (21.06.1984 Gazette 1984/15)
(84) Designated Contracting States:
AT BE CH DE FR GB LI LU NL SE

(30) Priority: 13.12.1982 JP 19820218134

(71) Applicants:
  • AB LEO
    S-251 09 Helsingborg (SE)
  • YOSHIDA, Masaru
    Gunma 370 (JP)
  • ASANO, Masaharu
    Saitama-ken 359 (JP)
  • Kaetsu, Isao
    Gunma-ken (JP)
  • NAKAI, Katsuyuki
    Gunma 379-21 (JP)
  • YAMANAKA, Hidetoshi
    Gunma 370-01 (JP)
  • SHIDA, Keizo
    Gunma 371 (JP)

(72) Inventors:
  • YOSHIDA, Masaru
    Gunma 370 (JP)
  • ASANO, Masaharu
    Gunma 370 (JP)
  • KAETSU, Isao
    Gunma 370 (JP)
  • NAKAI, Katsuyuki
    Gunma 379-21 (JP)
  • YAMANAKA, Hidetoshi
    Gunma 370-01 (JP)
  • SHIDA, Keizo
    Gunma 371 (JP)

   


(54) MICROFINE PARTICLES HAVING TARGET-SEEKING PROPERTIES