METHODS OF USING NATURAL PRODUCTS AS DEWATERING AIDS FOR FINE PARTICLES - Patent 1406711

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EP 1 406 711 A2

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(88)	Date of publication A3:
	15.01.2004

(43)	Date of publication:
	14.04.2004 Bulletin 2004/16

(21)	Application number: 00967147.0

(22)	Date of filing: 28.09.2000

(51)	International Patent Classification (IPC)⁷: B01D 1/00

(86)	International application number:
	PCT/US2000/026925

(87)	International publication number:
	WO 2002/026340 (04.04.2002 Gazette 2002/12)

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

(71)	Applicant: Yoon, Roe-Hoan
	Blacksburg, VA 24060 (US)

(72)	Inventor:
	Yoon, Roe-Hoan Blacksburg, VA 24060 (US)

(74)	Representative: Kierdorf, Theodor, Dipl.-Ing.
	PatentanwälteLippert, Stachow, Schmidt & PartnerFrankenforster Strasse 135-137 51427 Bergisch Gladbach 51427 Bergisch Gladbach (DE)

(54)	METHODS OF USING NATURAL PRODUCTS AS DEWATERING AIDS FOR FINE PARTICLES