| Date | Description | European Patent Bulletin date, issue number |
|---|---|---|
| 26.09.2008 | Change - representative | published on 29.10.2008 [2008/44] |
| 25.09.1998 | No opposition filed within time limit | published on 11.11.1998 [1998/46] |
| 03.10.1997 | (Expected) grant | published on 19.11.1997 [1997/47] |
| 02.08.1997 | Communication of intention to grant a patent | |
| 16.05.1997 | Communication of intention to grant a patent | |
| 13.05.1997 | Renewal fee | |
| 05.03.1997 | Communication of intention to grant | |
| 14.12.1996 | Examination report or reply | |
| 04.10.1996 | First examination report | |
| 03.10.1996 | Examination report or reply | |
| 10.04.1996 | Renewal fee | |
| 25.04.1995 | Request for examination filed | published on 14.06.1995 [1995/24] |
| 16.09.1994 | Publication in section I.1 EP Bulletin | published on 02.11.1994 [1994/44] |