| Date | Description | European Patent Bulletin date, issue number |
|---|---|---|
| 10.05.1996 | Application deemed to be withdrawn | published on 26.06.1996 [1996/26] |
| 07.05.1996 | Application deemed to be withdrawn | |
| 29.01.1996 | Application deemed to be withdrawn | |
| 05.01.1996 | Application deemed to be withdrawn | |
| 30.06.1995 | First examination report | |
| 18.02.1994 | Publication in section I.1 EP Bulletin | published on 06.04.1994 [1994/14] |
| 18.02.1994 | Request for examination filed | published on 06.04.1994 [1994/14] |