(19)
(11) EP 0 660 710 A1

(12)

(43) Date of publication:
05.07.1995 Bulletin 1995/27

(21) Application number: 93909132.0

(22) Date of filing: 18.03.1993
(51) International Patent Classification (IPC): 
A61K( . )
A61K 31/ 195( . )
A61K 31/ 70( . )
A61K 45/ 06( . )
C07C( . )
A61K 31/ 66( . )
A61K 38/ 21( . )
A61P 31/ 12( . )
(86) International application number:
PCT/US1993/002432
(87) International publication number:
WO 1993/018763 (30.09.1993 Gazette 1993/24)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 18.03.1992 US 19920853454
17.03.1993 US 19930032234

(71) Applicant: U.S. BIOSCIENCE, INC.
West Conshohocken, PA 19428 (US)

(72) Inventor:
  • BLOUGH, Herbert A.
    Berwyn, PA 19312 (US)

(74) Representative: Durand, Yves Armand Louis 
LAW OFFICES WEINSTEIN 20 Avenue de Friedland
F-75008 Paris
F-75008 Paris (FR)

   


(54) COMPOSITIONS OF N-(PHOSPHONOACETYL)-L-ASPARTIC ACID AND METHODS OF THEIR USE AS BROAD SPECTRUM ANTIVIRALS