N-ALPHA , N-OMEGA -DIALKYL AMINOMETHYLENEPHOSPHONIC ACIDS AND USE THEREOF - Patent 1276744

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EP 1 276 744 A1

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(43)	Date of publication:
	22.01.2003 Bulletin 2003/04

(21)	Application number: 01930576.2

(22)	Date of filing: 18.04.2001

(51)	International Patent Classification (IPC)⁷: C07F 9/38, C01B 15/037, C11D 3/39, D06L 3/02, C02F 5/14

(86)	International application number:
	PCT/US0112/660

(87)	International publication number:
	WO 0107/9215 (25.10.2001 Gazette 2001/43)

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

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Priority:

18.04.2000 US 198117 P

(71)	Applicant: DOW GLOBAL TECHNOLOGIES INC.
	Midland, Michigan 48674 (US)

(72)	Inventors:
	CRUMP, Druce, K. Lake Jackson, TX 77566 (US) WILSON, David, A. Lake Jackson, TX 77566 (US)

(74)	Representative: Raynor, John et al
	W.H. Beck, Greener & Co7 Stone BuildingsLincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)

(54)	N-ALPHA , N-OMEGA -DIALKYL AMINOMETHYLENEPHOSPHONIC ACIDS AND USE THEREOF