POLYAMINO MONOSUCCINIC ACID DERIVATIVE DEGRADABLE CHELANTS, USES AND COMPOSITIONS THEREOF - Patent 0871695

(19)

(11)

EP 0 871 695 A2

(12)

(43)	Date of publication:
	21.10.1998 Bulletin 1998/43

(21)	Application number: 96929807.0

(22)	Date of filing: 29.08.1996

(51)

International Patent Classification (IPC):

B01D 53/ 52^{( . )}
C11D 3/ 33^{( . )}

B01D 53/ 56^{( . )}
C23C 18/ 40^{( . )}

(86)	International application number:
	PCT/US1996/013939

(87)	International publication number:
	WO 1997/008287 (06.03.1997 Gazette 1997/11)

(84)	Designated Contracting States:
	BE DE FI FR GB NL

(30)

Priority:

30.08.1995 US 19950003041P

(71)	Applicant: THE DOW CHEMICAL COMPANY
	Midland, Michigan 48674 (US)

(72)	Inventors:
	STRICKLAND, Alan, D. Lake Jackson, TX 77566 (US) WILSON, David, A. Richwood, TX 77531 (US)

(74)	Representative: Weickmann, Heinrich, Dipl.-Ing., et al
	Patentanwälte H. Weickmann, Dr. K. Fincke F.A. Weickmann, B. Huber Dr. H. Liska, Dr. J. Prechtel, Dr. B. Böhm Postfach 86 08 20 81635 München 81635 München (DE)

(54)	POLYAMINO MONOSUCCINIC ACID DERIVATIVE DEGRADABLE CHELANTS, USES AND COMPOSITIONS THEREOF