SUBSTITUTED BENZOTHIOPYRANES SALTS AND THEIR USE AS HERBICIDES - Patent 0946540

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(11)

EP 0 946 540 A1

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(43)	Date of publication:
	06.10.1999 Bulletin 1999/40

(21)	Application number: 97952543.0

(22)	Date of filing: 17.12.1997

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International Patent Classification (IPC):

A01N 43/ 18^{( . )}
A01N 43/ 90^{( . )}
C07D 409/ 06^{( . )}

A01N 43/ 56^{( . )}
C07D 335/ 06^{( . )}
C07D 495/ 10^{( . )}

(86)	International application number:
	PCT/US1997/023469

(87)	International publication number:
	WO 1998/028291 (02.07.1998 Gazette 1998/26)

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

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Priority:

20.12.1996 US 19960033895P
11.09.1997 US 19970058647P

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

(72)	Inventor:
	TSENG, Chi-Ping Wilmington, DE 19803 (US)

(74)	Representative: Butler, Michael John
	Frank B. Dehn & Co., European Patent Attorneys, 179 Queen Victoria Street London EC4V 4EL London EC4V 4EL (GB)

(54)	SUBSTITUTED BENZOTHIOPYRANES SALTS AND THEIR USE AS HERBICIDES