| Type | Equivalent | Publication No. | Date | Type | EP0071923 | Global Dossier
| 28.02.1990 | B1 | EP0071923 | 24.07.1985 | A3 | EP0071923 | 16.02.1983 | A2 | Priority number | Date | US29083981 | 07.08.1981 | Type | Equivalent | Publication No. | Date | Type | DE3280118D1 | 05.04.1990 | D1 | Priority number | Date | US29083981 | 07.08.1981 | Type | Equivalent | Publication No. | Date | Type | JPH035555B | 25.01.1991 | B2 | JPS5844371 | 15.03.1983 | A | Priority number | Date | US29083981 | 07.08.1981 | Type | Equivalent | Publication No. | Date | Type | US4386528 | 07.06.1983 | A | Priority number | Date | US29083981 | 07.08.1981 |