| Type | Equivalent | Publication No. | Date | Type | JPH06161777 | Global Dossier
| 10.06.1994 | A | Priority number | Date | US91486092 | 15.07.1992 | Type | Equivalent | Publication No. | Date | Type | EP0579378 | Global Dossier
| 19.01.1994 | A1 | Priority number | Date | US91486092 | 15.07.1992 | Type | Equivalent | Publication No. | Date | Type | US5418958 | 23.05.1995 | A | Priority number | Date | US91486092 | 15.07.1992 |