| Type | Equivalent | Publication No. | Date | Type | JPH1172301 | Global Dossier
| 16.03.1999 | A | Priority number | Date | US85868497 | 19.05.1997 | Type | Equivalent | Publication No. | Date | Type | EP0880007 | Global Dossier
| 17.11.1999 | A3 | EP0880007 | 25.11.1998 | A2 | Priority number | Date | US85868497 | 19.05.1997 | Type | Equivalent | Publication No. | Date | Type | CA2237927 | 19.11.1998 | A1 | Priority number | Date | US85868497 | 19.05.1997 | Type | Equivalent | Publication No. | Date | Type | US5956857 | 28.09.1999 | A | Priority number | Date | US85868497 | 19.05.1997 |