PROCESS FOR MAKING MONOACETALS OF HYDROQUINONE

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(11)

EP 0 748 306 A1

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(43)	Date of publication:
	18.12.1996 Bulletin 1996/51

(21)	Application number: 95912054.0

(22)	Date of filing: 03.03.1995

(51)

International Patent Classification (IPC):

A61K 8/ 34^{( . )}
A61K 8/ 37^{( . )}
A61K 8/ 42^{( . )}
A61K 8/ 46^{( . )}
A61K 8/ 55^{( . )}
A61Q 19/ 02^{( . )}
B01J 23/ 755^{( . )}
C07B 61/ 00^{( . )}
C07C 41/ 54^{( . )}
C07D 307/ 20^{( . )}

A61K 8/ 368^{( . )}
A61K 8/ 41^{( . )}
A61K 8/ 44^{( . )}
A61K 8/ 49^{( . )}
A61Q 17/ 04^{( . )}
B01J 23/ 40^{( . )}
B01J 31/ 02^{( . )}
C07C 41/ 48^{( . )}
C07C 43/ 315^{( . )}
C07D 309/ 12^{( . )}

(86)	International application number:
	PCT/US1995/002738

(87)	International publication number:
	WO 1995/023779 (08.09.1995 Gazette 1995/38)

(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:

04.03.1994 US 19940206573
16.12.1994 US 19940357849

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

(72)	Inventors:
	CARTER, John, David Cincinnati, OH 45241 (US) PARSONS, Jack, Lee East Aurora, NY 14052 (US) STARKS, David, Fred Williamsville, NY 14221 (US)

(74)	Representative: Brooks, Maxim Courtney, et al
	Rusham Park, Whitehall Lane Egham, Surrey TW20 9NW Egham, Surrey TW20 9NW (GB)

(54)	PROCESS FOR MAKING MONOACETALS OF HYDROQUINONE