PROCESS TO IMPROVE THE COLOR OF SULF(ON)ATED SURFACTANTS WITHOUT BLEACH - Patent 0603275

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EP 0 603 275 A1

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(43)	Date of publication:
	29.06.1994 Bulletin 1994/26

(21)	Application number: 92919449.0

(22)	Date of filing: 28.08.1992

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International Patent Classification (IPC):

C07C 303/ 44^{( . )}
C11D 1/ 28^{( . )}

C07C 309/ 17^{( . )}

(86)	International application number:
	PCT/US1992/007332

(87)	International publication number:
	WO 1993/005013 (18.03.1993 Gazette 1993/08)

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

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Priority:

03.09.1991 US 19910754495

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

(72)	Inventors:
	KHAN, Vajih, Aslam Ithaca, NY 14850 (US) CREEDON, Michael, Timothy Cincinnati, OH 45247 (US) WILLIAMS, Barbara, Kay West Chester, OH 45069 (US) BAKER, Keith, Homer Cincinnati, OH 45240 (US)

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

(54)	PROCESS TO IMPROVE THE COLOR OF SULF(ON)ATED SURFACTANTS WITHOUT BLEACH