(19)
(11) EP 1 003 483 A1

(12)

(43) Date of publication:
31.05.2000 Bulletin 2000/22

(21) Application number: 98936955.8

(22) Date of filing: 22.07.1998
(51) International Patent Classification (IPC)7: A61K 9/20, A61K 9/70
(86) International application number:
PCT/US9815/096
(87) International publication number:
WO 9904/764 (04.02.1999 Gazette 1999/05)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 23.07.1997 US 899121

(71) Applicant: Perio Products Ltd
Or Akiva 30600 (IL)

(72) Inventors:
  • LERNER, E., Itzhak
    49541 Petah Tikva (IL)
  • ROSENBERGER, Vered
    53224 Givataim (IL)
  • FLASHNER, Moshe
    49313 Petah-Tikva (IL)

(74) Representative: Lee, Nicholas John et al
Kilburn & Strode,20 Red Lion Street
London WC1R 4PJ
London WC1R 4PJ (GB)

   


(54) TANNIC ACID-POLYMER COMPOSITIONS FOR CONTROLLED RELEASE OF PHARMACEUTICAL AGENTS, PARTICULARLY IN THE ORAL CAVITY