SEPARATING INTERMIXED MATERIALS OF DIFFERENT SPECIFIC GRAVITY - Patent 0837732

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EP 0 837 732 A1

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(43)	Date of publication:
	29.04.1998 Bulletin 1998/18

(21)	Application number: 96922716.0

(22)	Date of filing: 11.07.1996

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International Patent Classification (IPC):

B04B 1/ 00^{( . )}
B04B 11/ 02^{( . )}

B04B 1/ 10^{( . )}

(86)	International application number:
	PCT/CA1996/000482

(87)	International publication number:
	WO 1997/002894 (30.01.1997 Gazette 1997/06)

(84)	Designated Contracting States:
	AT DE ES FR GB GR IE IT PT SE

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Priority:

13.07.1995 US 19950502019
04.08.1995 US 19950511478

(71)	Applicant: KNELSON, Benjamin V.
	Langley, British Columbia V1M 2X5 (CA)

(72)	Inventor:
	KNELSON, Benjamin V. Langley, British Columbia V1M 2X5 (CA)

(74)	Representative: Pratt, David Martin
	Withers & Rogers, 4 Dyer's Buildings, Holborn London EC1N 2JT London EC1N 2JT (GB)

(54)	SEPARATING INTERMIXED MATERIALS OF DIFFERENT SPECIFIC GRAVITY