PRESSURE FILTRATION DEVICE AND METHOD EMPLOYING A DEPRESSURIZING CHAMBER AND MATERIAL TRANSPORT - Patent 1225964

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EP 1 225 964 A1

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(43)	Date of publication:
	31.07.2002 Bulletin 2002/31

(21)	Application number: 00936224.5

(22)	Date of filing: 23.05.2000

(51)	International Patent Classification (IPC)⁷: B01D 33/073, B01D 33/46, B01D 33/50, B01D 33/60, B01D 33/62, B01D 33/76

(86)	International application number:
	PCT/US0014/182

(87)	International publication number:
	WO 0071/226 (30.11.2000 Gazette 2000/48)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

24.05.1999 US 135640 P

(71)	Applicant: BAKER HUGHES INCORPORATED
	HoustonTexas 77027 (US)

(72)	Inventors:
	BEARD, Jon, O. East Taunton, MA 02178-1441 (US) ROGERS, John, C. Walpole, MA 02081 (US)

(74)	Representative: Finck, Dieter, Dr.Ing. et al
	v. Füner Ebbinghaus Finck HanoMariahilfplatz 2 - 3 81541 München 81541 München (DE)

(54)	PRESSURE FILTRATION DEVICE AND METHOD EMPLOYING A DEPRESSURIZING CHAMBER AND MATERIAL TRANSPORT