Granted European patent translation for Austria 1999-02-15 AT176606T, translation for Germany 1999-03-25 DE69507830D1. International application 1996-05-17 WO9614156A1, Sweden 1996-05-03 SE9403743L, Australia 1996-05-31 AU3862095A, Norway 1997-06-06 NO971970A and New Zealand 1998-11-25 NZ295284A.