A VACUUM CLAMPED MULTI-SAMPLE FILTRATION APPARATUS AND METHOD

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EP 0 582 638 A1

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(43)	Date of publication:
	16.02.1994 Bulletin 1994/07

(21)	Application number: 92910414.0

(22)	Date of filing: 06.04.1992

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International Patent Classification (IPC):

B01D 63/ 08^{( . )}
B01D 61/ 18^{( . )}
C12M 1/ 12^{( . )}
G01N 1/ 00^{( . )}
G01N 33/ 53^{( . )}

B01D 29/ 05^{( . )}
B01L 3/ 00^{( . )}
C12M 1/ 20^{( . )}
G01N 1/ 10^{( . )}
G01N 33/ 543^{( . )}

(86)	International application number:
	PCT/US1992/002752

(87)	International publication number:
	WO 1992/017261 (15.10.1992 Gazette 1992/26)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

04.04.1991 US 19910680544

(71)	Applicant: NICHOLSON PRECISION INSTRUMENTS; INC.
	Gaithersburg, MD 20879 (US)

(72)	Inventors:
	MONTI, Patricia, Crean Silver Spring, MD 20901 (US) WHITE, Richard, J. Laurel, MD 20723 (US) NICHOLSON, Michael, K. Cabin John, MD 20818 (US)

(74)	Representative: Kuhnen, Rainer Andreas, Dipl.-Ing., et al
	Kuhnen, Wacker & Partner, Alois-Steinecker-Strasse 22 D-85354 Freising D-85354 Freising (DE)

(54)	A VACUUM CLAMPED MULTI-SAMPLE FILTRATION APPARATUS AND METHOD