| (84) |
Designated Contracting States: |
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AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
| (30) |
Priority: |
02.04.1997 US 42585 P 14.04.1997 US 43812 P 07.10.1997 US 946612
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| (43) |
Date of publication of application: |
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19.01.2000 Bulletin 2000/03 |
| (73) |
Proprietor: DENTSPLY International Inc. |
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York, PA 17405-0872 (US) |
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| (72) |
Inventors: |
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- SUBELKA, John, C.
Lewes, NJ 19958 (US)
- JEFFERIES, Steven, R.
York, PA 17402 (US)
- KAPPERMAN, Donald, A.
Dover,DE 19904 (US)
- HAMMESFAHR, Paul, D.
Wyoming, DE 19934 (US)
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| (74) |
Representative: Wächtershäuser, Günter et al |
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Wächtershäuser & Hartz
Patentanwälte
Weinstrasse 8 80333 München 80333 München (DE) |
| (56) |
References cited: :
EP-A- 0 475 239 EP-A- 0 839 511 WO-A-96/03090 DE-A- 19 524 362 US- - 4 649 165
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EP-A- 0 530 926 WO-A-92/08419 DE-A- 3 416 083 DE-A1- 4 300 693 US-A- 4 514 174
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