| (84) |
Designated Contracting States: |
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DE ES FR GB IT |
| (30) |
Priority: |
01.07.1999 US 142176
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| (43) |
Date of publication of application: |
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31.01.2001 Bulletin 2001/05 |
| (60) |
Divisional application: |
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05015137.2 / 1618812 |
| (73) |
Proprietor: FILTERTEK INC. |
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Hebron,
Illinois 60034 (US) |
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| (72) |
Inventors: |
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- Ruschke, Rick R
Woodstock, IL 60098 (US)
- Franzene, Brian J
Lake Geneva Winsconsin 53147 (US)
- Kandel, Edward
Mc Henry, IL 60050 (US)
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| (74) |
Representative: Bayliss, Geoffrey Cyril et al |
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BOULT WADE TENNANT,
Verulam Gardens
70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB) |
| (56) |
References cited: :
EP-A- 0 258 799 DE-A- 1 629 146 FR-A- 2 489 118 US-A- 2 712 170 US-A- 3 340 561 US-A- 3 933 557 US-A- 5 288 350 US-A- 5 538 022 US-A- 5 798 073
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WO-A-95/23888 DE-A- 3 927 955 GB-A- 2 067 128 US-A- 2 922 417 US-A- 3 706 393 US-A- 5 186 775 US-A- 5 299 877 US-A- 5 547 302
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