IMPROVED METHOD FOR BENEFICIATING TITANIUM-BEARING MATERIAL CONTAINING IRON - Patent 0641396

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EP 0 641 396 A1

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(43)	Date of publication:
	08.03.1995 Bulletin 1995/10

(21)	Application number: 93911193.0

(22)	Date of filing: 14.05.1993

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International Patent Classification (IPC):

C22B 34/ 12^{( . )}

(86)	International application number:
	PCT/US1993/004393

(87)	International publication number:
	WO 1993/023580 (25.11.1993 Gazette 1993/28)

(84)	Designated Contracting States:
	DE ES FR GB SE

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Priority:

21.05.1992 US 19920886310

(71)	Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
	Wilmington Delaware 19898 (US)

(72)	Inventors:
	REEVES, James William Wilmington, DE 19810 (US) ZANDER, Bo Harry S-717 00 Storaa (SE) ERICSON, Aake Sandor S-171 40 Solna (SE)

(74)	Representative: Woodcraft, David Charles, et al
	BROOKES & MARTIN High Holborn House 52/54 High Holborn London, WC1V 6SE London, WC1V 6SE (GB)

(54)	IMPROVED METHOD FOR BENEFICIATING TITANIUM-BEARING MATERIAL CONTAINING IRON