USE OF 4-SUBSTITUTED 2-BUTANONES TO PREPARE NABUMETONE - Patent 0892775

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EP 0 892 775 A2

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(43)	Date of publication:
	27.01.1999 Bulletin 1999/04

(21)	Application number: 96913374.0

(22)	Date of filing: 10.05.1996

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International Patent Classification (IPC):

C07B 61/ 00^{( . )}
C07C 45/ 68^{( . )}
C07C 49/ 255^{( . )}

C07C 45/ 62^{( . )}
C07C 45/ 71^{( . )}

(86)	International application number:
	PCT/US1996/006729

(87)	International publication number:
	WO 1996/040608 (19.12.1996 Gazette 1997/03)

(84)	Designated Contracting States:
	CH DE ES FR GB IT LI

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Priority:

07.06.1995 US 19950473603
09.04.1996 US 19960629656

(60)	Divisional application:
	02004992.0 / 1223156

(60)	Divisional application:
	02004993.8 / 1223157

(71)	Applicant: HOECHST CELANESE CORPORATION
	Somerville, N.J. 08876 (US)

(72)	Inventors:
	FRITCH, John, R. Corpus Christi, TX 78410 (US) ASLAM, Mohammad Corpus Christi, TX 78413 (US) RIOS, Dora, E. Corpus Christi, TX 78413 (US) SMITH, Joel, C. Corpus Christi, TX 78418 (US)

(74)	Representative: von Kreisler, Alek, Dipl.-Chem., et al
	Patentanwälte, von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus) 50667 Köln 50667 Köln (DE)

(54)	USE OF 4-SUBSTITUTED 2-BUTANONES TO PREPARE NABUMETONE