| (84) |
Designated Contracting States: |
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DE ES FR GB IT |
| (30) |
Priority: |
24.01.1997 GB 9701447 18.06.1997 GB 9712784
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| (43) |
Date of publication of application: |
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10.11.1999 Bulletin 1999/45 |
| (60) |
Divisional application: |
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03020831.8 / 1415719 |
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04002190.9 / 1435265 |
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05010707.7 / 1579922 |
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05020408.0 |
| (73) |
Proprietor: 3M COMPANY |
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St. Paul,
Minnesota 55133-3427 (US) |
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| (72) |
Inventors: |
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- JOSEPH, Stephen, C., P.
Warwickshire CV10 0XP (GB)
- DOUGLAS, Malcolm, F.
Swansea SA3 2DP (GB)
- BUTLER, Alan, F.
Warwickshire CV9 1HG (GB)
- BASTOW, David, R.
Staffordshire B77 3EU (GB)
- SALHUS, Jerry, E.
Bloomington, MN 55438 (US)
- HARTFEL, Margaret, E.
Minneapolis, MN 55413 (US)
|
| (74) |
Representative: Wightman, David Alexander |
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Barker Brettell
138 Hagley Road Edgbaston,
Birmingham B16 9PW Edgbaston,
Birmingham B16 9PW (GB) |
| (56) |
References cited: :
EP-A- 0 678 334 US-A- 3 432 104 US-A- 5 143 294
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US-A- 3 401 842 US-A- 4 951 875
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