| Date | Description | European Patent Bulletin date, issue number |
|---|---|---|
| 13.10.2000 | No opposition filed within time limit | published on 29.11.2000 [2000/48] |
| 29.10.1999 | (Expected) grant | published on 15.12.1999 [1999/50] |
| 10.08.1999 | Renewal fee | |
| 05.08.1999 | Communication of intention to grant a patent | |
| 20.05.1999 | Communication of intention to grant | |
| 20.05.1999 | Communication of intention to grant a patent | |
| 16.04.1999 | Change - German title | published on 02.06.1999 [1999/22] |
| 14.04.1999 | Communication of intention to grant | |
| 30.12.1998 | Examination report or reply | |
| 27.11.1998 | Examination report or reply | |
| 10.08.1998 | Renewal fee | |
| 31.07.1998 | First examination report | |
| 27.07.1998 | Examination report or reply | |
| 06.08.1997 | Renewal fee | |
| 16.08.1996 | Request for examination filed | published on 02.10.1996 [1996/40] |
| 09.02.1996 | Publication in section I.1 EP Bulletin | published on 27.03.1996 [1996/13] |