CROP-SELECTIVE HERBICIDAL SULFONAMIDES - Patent 0523067

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EP 0 523 067 A1

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(43)	Date of publication:
	20.01.1993 Bulletin 1993/03

(21)	Application number: 91905178.0

(22)	Date of filing: 26.02.1991

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International Patent Classification (IPC):

A01N 47/ 36^{( . )}
C07C 205/ 59^{( . )}
C07C 309/ 89^{( . )}
C07D 239/ 42^{( . )}
C07D 239/ 47^{( . )}
C07D 521/ 00^{( . )}

C07C 205/ 58^{( . )}
C07C 255/ 41^{( . )}
C07C 323/ 62^{( . )}
C07D 239/ 46^{( . )}
C07D 239/ 52^{( . )}
C07F 7/ 10^{( . )}

(86)	International application number:
	PCT/US1991/001075

(87)	International publication number:
	WO 1991/015478 (17.10.1991 Gazette 1991/24)

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

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Priority:

02.04.1990 US 19900503182

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

(72)	Inventor:
	MOON, Marcus, P. Wilmington, DE 19806 (US)

(74)	Representative: Hildyard, Edward Martin, et al
	Frank B. Dehn & Co. European Patent Attorneys Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)

(54)	CROP-SELECTIVE HERBICIDAL SULFONAMIDES