PURIFICATION OF SECONDARY (2, 3) ALKYL SULFATE SURFACTANTS - Patent 0693108

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EP 0 693 108 A1

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(43)	Date of publication:
	24.01.1996 Bulletin 1996/04

(21)	Application number: 94912956.0

(22)	Date of filing: 05.04.1994

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International Patent Classification (IPC):

C07C 303/ 24^{( . )}
C11D 1/ 14^{( . )}
C07C 305/ 06^{( . )}

C07C 303/ 44^{( . )}
C11D 17/ 00^{( . )}

(86)	International application number:
	PCT/US1994/003726

(87)	International publication number:
	WO 1994/024245 (27.10.1994 Gazette 1994/24)

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

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Priority:

08.04.1993 US 19930045406

(71)	Applicant: THE PROCTER & GAMBLE COMPANY
	Cincinnati, Ohio 45202 (US)

(72)	Inventor:
	MURCH, Bruce, Prentiss Cincinnati, OH 45231 (US)

(74)	Representative: Canonici, Jean-Jacques, et al
	Procter & Gamble European Technical Center N.V. Temselaan 100 B-1853 Strombeek-Bever B-1853 Strombeek-Bever (BE)

(54)	PURIFICATION OF SECONDARY (2, 3) ALKYL SULFATE SURFACTANTS